diff --git a/main/php.h b/main/php.h
index 083e89c377f..cefb35e6b52 100644
--- a/main/php.h
+++ b/main/php.h
@@ -82,7 +82,7 @@ extern unsigned char second_arg_allow_ref[];
 #define DEBUG ZEND_DEBUG
 
 
-#if DEBUG || !(defined(__GNUC__)||PHP_WIN32
+#if DEBUG || !(defined(__GNUC__)||PHP_WIN32)
 #ifdef inline
 #undef inline
 #endif