diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 6c2167616dd..c999193a238 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -14287,6 +14287,7 @@ dumpForeignServer(Archive *fout, ForeignServerInfo *srvinfo)
 	destroyPQExpBuffer(q);
 	destroyPQExpBuffer(delq);
 	destroyPQExpBuffer(labelq);
+	destroyPQExpBuffer(query);
 }
 
 /*