diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index eb1cc68656e..6831ae31af1 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -304,7 +304,7 @@ ZEND_API char *zend_strndup(const char *s, uint length)
 }
 
 
-ZEND_API int set_memory_limit(unsigned int memory_limit)
+ZEND_API int zend_set_memory_limit(unsigned int memory_limit)
 {
 #if MEMORY_LIMIT
 	ALS_FETCH();
diff --git a/Zend/zend_alloc.h b/Zend/zend_alloc.h
index 9fe4d74320f..85492a2c43b 100644
--- a/Zend/zend_alloc.h
+++ b/Zend/zend_alloc.h
@@ -92,7 +92,7 @@ ZEND_API void _persist_alloc(void *ptr);
 #define safe_estrdup(ptr)  ((ptr)?(estrdup(ptr)):(empty_string))
 #define safe_estrndup(ptr,len) ((ptr)?(estrndup((ptr),(len))):(empty_string))
 
-ZEND_API int set_memory_limit(unsigned int memory_limit);
+ZEND_API int zend_set_memory_limit(unsigned int memory_limit);
 
 ZEND_API void start_memory_manager(void);
 ZEND_API void shutdown_memory_manager(int silent, int clean_cache);