diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index e5b582c686b..40ac09cac96 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -441,6 +441,7 @@ sub check_garbd_support() {
 }
 
 sub check_wsrep_support() {
+  $garbd_exe= "";
   if (have_wsrep()) {
     mtr_report(" - binaries built with wsrep patch");