diff --git a/adb/types.h b/adb/types.h
index cd1366dfb..8bd66be57 100644
--- a/adb/types.h
+++ b/adb/types.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <string.h>
+
 #include <algorithm>
 #include <deque>
 #include <memory>