diff --git a/Zend/zend_builtin_functions.h b/Zend/zend_builtin_functions.h
index 9729f42095e..bf46a2ffdc6 100644
--- a/Zend/zend_builtin_functions.h
+++ b/Zend/zend_builtin_functions.h
@@ -23,7 +23,7 @@
 #define ZEND_BUILTIN_FUNCTIONS_H
 
 int zend_startup_builtin_functions(TSRMLS_D);
-int zend_shutdown_builtin_functions(TSRMLS_D);
+void zend_shutdown_builtin_functions(TSRMLS_D);
 
 BEGIN_EXTERN_C()
 ZEND_API void zend_fetch_debug_backtrace(zval *return_value, int skip_last, int provide_object TSRMLS_DC);