diff --git a/src/bin/scripts/scripts_parallel.h b/src/bin/scripts/scripts_parallel.h
index f1a724a64f..ab82c5e6a9 100644
--- a/src/bin/scripts/scripts_parallel.h
+++ b/src/bin/scripts/scripts_parallel.h
@@ -12,6 +12,8 @@
 #ifndef SCRIPTS_PARALLEL_H
 #define SCRIPTS_PARALLEL_H
 
+#include "libpq-fe.h"
+
 
 typedef struct ParallelSlot
 {