diff --git a/src/bin/pg_amcheck/pg_amcheck.c b/src/bin/pg_amcheck/pg_amcheck.c
index c5ec25be22be..996833ed400c 100644
--- a/src/bin/pg_amcheck/pg_amcheck.c
+++ b/src/bin/pg_amcheck/pg_amcheck.c
@@ -587,6 +587,7 @@ main(int argc, char *argv[])
 			/* Querying the catalog succeeded, but amcheck is missing. */
 			pg_log_warning("skipping database \"%s\": amcheck is not installed",
 						   PQdb(conn));
+			PQclear(result);
 			disconnectDatabase(conn);
 			conn = NULL;
 			continue;