diff --git a/bin/pg_repack.c b/bin/pg_repack.c
index ec2d82d..3b384a8 100644
--- a/bin/pg_repack.c
+++ b/bin/pg_repack.c
@@ -403,6 +403,7 @@ repack_one_database(const char *orderby, char *errbuf, size_t errsize)
 		}
 		goto cleanup;
 	}
+	PQclear(res);
 
 	/* Disable statement timeout. */
 	command("SET statement_timeout = 0", 0, NULL);