diff --git a/Zend/zend.c b/Zend/zend.c
index 079581c99f2..7361efcb0ea 100644
--- a/Zend/zend.c
+++ b/Zend/zend.c
@@ -773,7 +773,7 @@ static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */
 }
 /* }}} */
 
-int zend_startup(zend_utility_functions *utility_functions, char **extensions) /* {{{ */
+int zend_startup(zend_utility_functions *utility_functions) /* {{{ */
 {
 #ifdef ZTS
 	zend_compiler_globals *compiler_globals;
diff --git a/Zend/zend.h b/Zend/zend.h
index 76d1bb2bb5d..4839b994b9d 100644
--- a/Zend/zend.h
+++ b/Zend/zend.h
@@ -234,7 +234,7 @@ typedef int (*zend_write_func_t)(const char *str, size_t str_length);
 #define zend_first_try		EG(bailout)=NULL;	zend_try
 
 BEGIN_EXTERN_C()
-int zend_startup(zend_utility_functions *utility_functions, char **extensions);
+int zend_startup(zend_utility_functions *utility_functions);
 void zend_shutdown(void);
 void zend_register_standard_ini_entries(void);
 int zend_post_startup(void);
diff --git a/main/main.c b/main/main.c
index 5692c76ca49..5e18630bd90 100644
--- a/main/main.c
+++ b/main/main.c
@@ -2174,7 +2174,7 @@ int php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_mod
 	zuf.printf_to_smart_str_function = php_printf_to_smart_str;
 	zuf.getenv_function = sapi_getenv;
 	zuf.resolve_path_function = php_resolve_path_for_zend;
-	zend_startup(&zuf, NULL);
+	zend_startup(&zuf);
 
 #if HAVE_SETLOCALE
 	setlocale(LC_CTYPE, "");