diff --git a/plugins/phorum/Changelog b/plugins/phorum/Changelog
index 9420f6dd..a73eba7b 100644
--- a/plugins/phorum/Changelog
+++ b/plugins/phorum/Changelog
@@ -11,6 +11,7 @@ Changelog                                         HTMLPurifier : Phorum Mod
 
 Version 3.0.0.1 for Phorum 5.2, unknown release date
 - Fixed double encoded quotes
+- Fixed fatal error when migrate.php is blank
 
 Version 3.0.0 for Phorum 5.2, released January 12, 2008
 # WYSIWYG and suppress_message options are now configurable via web
diff --git a/plugins/phorum/htmlpurifier.php b/plugins/phorum/htmlpurifier.php
index 26d78a1d..926f0b50 100644
--- a/plugins/phorum/htmlpurifier.php
+++ b/plugins/phorum/htmlpurifier.php
@@ -221,6 +221,11 @@ function phorum_htmlpurifier_common() {
         exit;
     }
     
+    if (!function_exists('phorum_htmlpurifier_migrate')) {
+        // Dummy function
+        function phorum_htmlpurifier_migrate($data) {return $data;}
+    }
+    
 }
 
 /**