diff --git a/tests/ha/wait_gateways_mtls.sh b/tests/ha/wait_gateways_mtls.sh
index ff8338a9..13a15398 100755
--- a/tests/ha/wait_gateways_mtls.sh
+++ b/tests/ha/wait_gateways_mtls.sh
@@ -6,4 +6,4 @@ else
 fi
 
 export CLI_TLS_ARGS="--server-cert /etc/ceph/server.crt --client-key /etc/ceph/client.key --client-cert /etc/ceph/client.crt"
-$test_dir/wait_gateways.sh 1
+sh -e $test_dir/wait_gateways.sh 1