diff --git a/src/include/executor/hashjoin.h b/src/include/executor/hashjoin.h
index cd08345d9a3..1b93f58af67 100644
--- a/src/include/executor/hashjoin.h
+++ b/src/include/executor/hashjoin.h
@@ -15,6 +15,7 @@
 #define HASHJOIN_H
 
 #include "fmgr.h"
+#include "nodes/execnodes.h"
 #include "storage/buffile.h"
 
 /* ----------------------------------------------------------------