diff --git a/src/backend/utils/adt/tsvector_op.c b/src/backend/utils/adt/tsvector_op.c
index 05c23da804..e822ba8fae 100644
--- a/src/backend/utils/adt/tsvector_op.c
+++ b/src/backend/utils/adt/tsvector_op.c
@@ -21,6 +21,7 @@
 #include "funcapi.h"
 #include "mb/pg_wchar.h"
 #include "miscadmin.h"
+#include "parser/parse_coerce.h"
 #include "tsearch/ts_utils.h"
 #include "utils/builtins.h"
 #include "utils/lsyscache.h"