diff --git a/src/backend/commands/policy.c b/src/backend/commands/policy.c
index 72329834a3137befdcaaeb25448855b47110b933..17b48d49596b1c5f3872753a2255b484fa6cd3a9 100644
--- a/src/backend/commands/policy.c
+++ b/src/backend/commands/policy.c
@@ -29,6 +29,7 @@
 #include "nodes/makefuncs.h"
 #include "nodes/pg_list.h"
 #include "parser/parse_clause.h"
+#include "parser/parse_collate.h"
 #include "parser/parse_node.h"
 #include "parser/parse_relation.h"
 #include "rewrite/rewriteManip.h"