diff --git a/main/rfc1867.c b/main/rfc1867.c
index b56aedbc44e..0b531583765 100644
--- a/main/rfc1867.c
+++ b/main/rfc1867.c
@@ -24,6 +24,7 @@
 #include "php_globals.h"
 #include "php_variables.h"
 #include "rfc1867.h"
+#include "ext/standard/type.h"
 
 
 #define NEW_BOUNDARY_CHECK 1