diff --git a/store/common/backend/kvstore.h b/store/common/backend/kvstore.h
index 9bdae9e1f605d68f2e0dbb9f2370a8cfa1c7fe09..225793c80e4b73ec484651f6b37859742a109a9f 100644
--- a/store/common/backend/kvstore.h
+++ b/store/common/backend/kvstore.h
@@ -33,7 +33,7 @@
 
 #include "lib/assert.h"
 #include "lib/message.h"
-
+#include <string>
 #include <unordered_map>
 #include <list>