diff --git a/src/planner/ExecutionPlan.h b/src/planner/ExecutionPlan.h
index 48fde90cbd59577bcee8cbd255b9fb3d4e963fcb..5f2ac4be7dd2d9128f7eb142d90c9d5adb981ae3 100644
--- a/src/planner/ExecutionPlan.h
+++ b/src/planner/ExecutionPlan.h
@@ -9,6 +9,7 @@
 
 #include <cstdint>
 #include <memory>
+#include <string>
 
 namespace nebula {