diff --git a/includes/std/string.pat b/includes/std/string.pat
index 428511d..eb1215d 100644
--- a/includes/std/string.pat
+++ b/includes/std/string.pat
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <std/io.pat>
+
 namespace std::string {
 
 	fn length(str string) {
@@ -128,4 +130,4 @@ namespace std::string {
 	};
 
 
-}
\ No newline at end of file
+}