diff --git a/lib/printf_test.c b/lib/printf_test.c
index 88ecf05e..3b26ec17 100644
--- a/lib/printf_test.c
+++ b/lib/printf_test.c
@@ -108,11 +108,11 @@ static int
 t_bstrcmp(void)
 {
   bt_assert(bstrcmp("aa", "aa") == 0);
-  bt_assert(bstrcmp("aa", "bb") == -1);
-  bt_assert(bstrcmp("bb", "aa") == 1);
+  bt_assert(bstrcmp("aa", "bb") < 0);
+  bt_assert(bstrcmp("bb", "aa") > 0);
   bt_assert(bstrcmp(NULL, NULL) == 0);
-  bt_assert(bstrcmp(NULL, "bb") == -1);
-  bt_assert(bstrcmp("bb", NULL) == 1);
+  bt_assert(bstrcmp(NULL, "bb") < 0);
+  bt_assert(bstrcmp("bb", NULL) > 0);
 
   return 1;
 }