diff --git a/main/php_scandir.c b/main/php_scandir.c
index fd6a9268f6e..6b32e810879 100644
--- a/main/php_scandir.c
+++ b/main/php_scandir.c
@@ -19,6 +19,7 @@
 
 /* $Id$ */
 
+#include "php.h"
 #include "php_scandir.h"
 
 #ifdef HAVE_SYS_TYPES_H