diff --git a/ext/standard/string.c b/ext/standard/string.c
index 3039c14d5df..e245ce3fb6d 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -23,7 +23,11 @@
 /* Synced with php 3.0 revision 1.193 1999-06-16 [ssb] */
 
 #include <stdio.h>
-#include <stdint.h>
+#ifdef PHP_WIN32
+# include "win32/php_stdint.h"
+#else
+# include <stdint.h>
+#endif
 #include "php.h"
 #include "php_rand.h"
 #include "php_string.h"