diff --git a/php_v8js_macros.h b/php_v8js_macros.h
index 0fb42c4..2cb3dd8 100644
--- a/php_v8js_macros.h
+++ b/php_v8js_macros.h
@@ -61,6 +61,10 @@ extern "C" {
 #define V8JS_GET_CLASS_NAME(var, obj) \
 	v8::String::Utf8Value var(obj->GetConstructorName());
 
+#if PHP_V8_API_VERSION >= 3030000
+#define V8JS_V8GENERATOR_SUPPORT 1
+#endif
+
 /* method signatures of zend_update_property and zend_read_property were
  * declared as 'char *' instead of 'const char *' before PHP 5.4 */
 #if ZEND_MODULE_API_NO >= 20100525
diff --git a/tests/generators_from_v8_001.phpt b/tests/generators_from_v8_001.phpt
index 5d6cd2b..04b4306 100644
--- a/tests/generators_from_v8_001.phpt
+++ b/tests/generators_from_v8_001.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (foreach)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_002.phpt b/tests/generators_from_v8_002.phpt
index 7cdca3a..7db6678 100644
--- a/tests/generators_from_v8_002.phpt
+++ b/tests/generators_from_v8_002.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (direct)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_003.phpt b/tests/generators_from_v8_003.phpt
index ac9e205..39ea9f8 100644
--- a/tests/generators_from_v8_003.phpt
+++ b/tests/generators_from_v8_003.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (rewind)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_004.phpt b/tests/generators_from_v8_004.phpt
index 10fc67f..4327e4f 100644
--- a/tests/generators_from_v8_004.phpt
+++ b/tests/generators_from_v8_004.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (instantiate in PHP + foreach)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_005.phpt b/tests/generators_from_v8_005.phpt
index a1b55b8..2d43093 100644
--- a/tests/generators_from_v8_005.phpt
+++ b/tests/generators_from_v8_005.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (instantiate in PHP + iterate in JS)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_006.phpt b/tests/generators_from_v8_006.phpt
index 4a4abfd..9b93485 100644
--- a/tests/generators_from_v8_006.phpt
+++ b/tests/generators_from_v8_006.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (yield from)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_007.phpt b/tests/generators_from_v8_007.phpt
index 11b6eaf..ba89145 100644
--- a/tests/generators_from_v8_007.phpt
+++ b/tests/generators_from_v8_007.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (throw JS)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_008.phpt b/tests/generators_from_v8_008.phpt
index 1989ceb..4448a47 100644
--- a/tests/generators_from_v8_008.phpt
+++ b/tests/generators_from_v8_008.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (throw PHP)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_009.phpt b/tests/generators_from_v8_009.phpt
index 758d93b..ff707d7 100644
--- a/tests/generators_from_v8_009.phpt
+++ b/tests/generators_from_v8_009.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (fatal error)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_010.phpt b/tests/generators_from_v8_010.phpt
index 6a2747f..872cbe0 100644
--- a/tests/generators_from_v8_010.phpt
+++ b/tests/generators_from_v8_010.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP (properties)
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/tests/generators_from_v8_basic.phpt b/tests/generators_from_v8_basic.phpt
index 575a8b0..9476342 100644
--- a/tests/generators_from_v8_basic.phpt
+++ b/tests/generators_from_v8_basic.phpt
@@ -1,7 +1,13 @@
 --TEST--
 Test V8::executeString() : Generators V8 -> PHP
 --SKIPIF--
-<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (!class_exists('V8Generator')) {
+    die("skip Installed V8 version doesn't support generators");
+}
+?>
 --FILE--
 <?php
 
diff --git a/v8js_object_export.cc b/v8js_object_export.cc
index d7a4a68..c34e82b 100644
--- a/v8js_object_export.cc
+++ b/v8js_object_export.cc
@@ -938,7 +938,11 @@ v8::Handle<v8::Value> v8js_hash_to_jsobj(zval *value, v8::Isolate *isolate TSRML
 	}
 
 	/* Special case, passing back object originating from JS to JS */
-	if (ce == php_ce_v8function || ce == php_ce_v8generator) {
+	if (ce == php_ce_v8function
+#ifdef V8JS_V8GENERATOR_SUPPORT
+		|| ce == php_ce_v8generator
+#endif
+		) {
 		v8js_v8object *c = Z_V8JS_V8OBJECT_OBJ_P(value);
 
 		if(isolate != c->ctx->isolate) {
diff --git a/v8js_v8object_class.cc b/v8js_v8object_class.cc
index 322f49a..ce9d068 100644
--- a/v8js_v8object_class.cc
+++ b/v8js_v8object_class.cc
@@ -33,12 +33,18 @@ extern "C" {
 /* {{{ Class Entries */
 zend_class_entry *php_ce_v8object;
 zend_class_entry *php_ce_v8function;
+
+#ifdef V8JS_V8GENERATOR_SUPPORT
 zend_class_entry *php_ce_v8generator;
+#endif
 /* }}} */
 
 /* {{{ Object Handlers */
 static zend_object_handlers v8js_v8object_handlers;
+
+#ifdef V8JS_V8GENERATOR_SUPPORT
 static zend_object_handlers v8js_v8generator_handlers;
+#endif
 /* }}} */
 
 #define V8JS_V8_INVOKE_FUNC_NAME "V8Js::V8::Invoke"
@@ -468,6 +474,7 @@ PHP_METHOD(V8Function, __wakeup)
 /* }}} */
 
 
+#ifdef V8JS_V8GENERATOR_SUPPORT
 static void v8js_v8generator_free_storage(zend_object *object) /* {{{ */
 {
 	v8js_v8generator *c = v8js_v8generator_fetch_object(object);
@@ -646,16 +653,20 @@ PHP_METHOD(V8Generator, valid)
 	RETVAL_BOOL(!g->done);
 }
 /* }}} */
+#endif  /* /V8JS_V8GENERATOR_SUPPORT */
 
 
 void v8js_v8object_create(zval *res, v8::Handle<v8::Value> value, int flags, v8::Isolate *isolate TSRMLS_DC) /* {{{ */
 {
 	v8js_ctx *ctx = (v8js_ctx *) isolate->GetData(0);
 
+#ifdef V8JS_V8GENERATOR_SUPPORT
 	if(value->IsGeneratorObject()) {
 		object_init_ex(res, php_ce_v8generator);
 	}
-	else if(value->IsFunction()) {
+	else
+#endif  /* /V8JS_V8GENERATOR_SUPPORT */
+	if(value->IsFunction()) {
 		object_init_ex(res, php_ce_v8function);
 	}
 	else {
@@ -689,6 +700,7 @@ static const zend_function_entry v8js_v8function_methods[] = { /* {{{ */
 };
 /* }}} */
 
+#ifdef V8JS_V8GENERATOR_SUPPORT
 ZEND_BEGIN_ARG_INFO(arginfo_v8generator_current, 0)
 ZEND_END_ARG_INFO()
 
@@ -718,6 +730,7 @@ static const zend_function_entry v8js_v8generator_methods[] = { /* {{{ */
 	{NULL, NULL, NULL}
 };
 /* }}} */
+#endif  /* /V8JS_V8GENERATOR_SUPPORT */
 
 
 PHP_MINIT_FUNCTION(v8js_v8object_class) /* {{{ */
@@ -736,6 +749,7 @@ PHP_MINIT_FUNCTION(v8js_v8object_class) /* {{{ */
 	php_ce_v8function->ce_flags |= ZEND_ACC_FINAL;
 	php_ce_v8function->create_object = v8js_v8object_new;
 
+#ifdef V8JS_V8GENERATOR_SUPPORT
 	/* V8Generator Class */
 	INIT_CLASS_ENTRY(ce, "V8Generator", v8js_v8generator_methods);
 	php_ce_v8generator = zend_register_internal_class(&ce TSRMLS_CC);
@@ -743,6 +757,7 @@ PHP_MINIT_FUNCTION(v8js_v8object_class) /* {{{ */
 	php_ce_v8generator->create_object = v8js_v8generator_new;
 
 	zend_class_implements(php_ce_v8generator, 1, zend_ce_iterator);
+#endif  /* /V8JS_V8GENERATOR_SUPPORT */
 
 
 	/* V8<Object|Function> handlers */
@@ -762,12 +777,13 @@ PHP_MINIT_FUNCTION(v8js_v8object_class) /* {{{ */
 	v8js_v8object_handlers.offset = XtOffsetOf(struct v8js_v8object, std);
 	v8js_v8object_handlers.free_obj = v8js_v8object_free_storage;
 
+#ifdef V8JS_V8GENERATOR_SUPPORT
 	/* V8Generator handlers */
 	memcpy(&v8js_v8generator_handlers, &v8js_v8object_handlers, sizeof(zend_object_handlers));
 	v8js_v8generator_handlers.get_method = v8js_v8generator_get_method;
 	v8js_v8generator_handlers.offset = XtOffsetOf(struct v8js_v8generator, v8obj.std);
 	v8js_v8generator_handlers.free_obj = v8js_v8generator_free_storage;
-
+#endif  /* /V8JS_V8GENERATOR_SUPPORT */
 
 	return SUCCESS;
 } /* }}} */
diff --git a/v8js_v8object_class.h b/v8js_v8object_class.h
index cc1da4d..1bfb6f4 100644
--- a/v8js_v8object_class.h
+++ b/v8js_v8object_class.h
@@ -24,18 +24,8 @@ struct v8js_v8object {
 };
 /* }}} */
 
-/* {{{ Generator container */
-struct v8js_v8generator {
-	zval value;
-	bool primed;
-	bool done;
-	struct v8js_v8object v8obj;
-};
-/* }}} */
-
 extern zend_class_entry *php_ce_v8object;
 extern zend_class_entry *php_ce_v8function;
-extern zend_class_entry *php_ce_v8generator;
 
 /* Create PHP V8 object */
 void v8js_v8object_create(zval *, v8::Handle<v8::Value>, int, v8::Isolate * TSRMLS_DC);
@@ -46,12 +36,29 @@ static inline v8js_v8object *v8js_v8object_fetch_object(zend_object *obj) {
 
 #define Z_V8JS_V8OBJECT_OBJ_P(zv) v8js_v8object_fetch_object(Z_OBJ_P(zv));
 
+
+#ifdef V8JS_V8GENERATOR_SUPPORT
+
+/* {{{ Generator container */
+struct v8js_v8generator {
+	zval value;
+	bool primed;
+	bool done;
+	struct v8js_v8object v8obj;
+};
+/* }}} */
+
+extern zend_class_entry *php_ce_v8generator;
+
+
 static inline v8js_v8generator *v8js_v8generator_fetch_object(zend_object *obj) {
 	return (v8js_v8generator *)((char *)obj - XtOffsetOf(struct v8js_v8generator, v8obj.std));
 }
 
 #define Z_V8JS_V8GENERATOR_OBJ_P(zv) v8js_v8generator_fetch_object(Z_OBJ_P(zv));
 
+#endif  /* /V8JS_V8GENERATOR_SUPPORT */
+
 
 PHP_MINIT_FUNCTION(v8js_v8object_class);