diff --git a/main/main.c b/main/main.c
index a792fb6ec05..40304c7f9ce 100644
--- a/main/main.c
+++ b/main/main.c
@@ -2397,8 +2397,8 @@ PHPAPI int php_execute_script(zend_file_handle *primary_file TSRMLS_DC)
 {
 	zend_file_handle *prepend_file_p, *append_file_p;
 	zend_file_handle prepend_file = {0}, append_file = {0};
-#if HAVE_BROKEN_GETCWD
-	int old_cwd_fd = -1;
+#if HAVE_BROKEN_GETCWD 
+	volatile int old_cwd_fd = -1;
 #else
 	char *old_cwd;
 	ALLOCA_FLAG(use_heap)