diff --git a/lib/keystone b/lib/keystone
index cebb4d3522..73af1d356d 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -424,7 +424,7 @@ function start_keystone() {
     fi
 
     echo "Waiting for keystone to start..."
-    if ! timeout $SERVICE_TIMEOUT sh -c "while ! curl --noproxy '*' -s $KEYSTONE_AUTH_PROTOCOL://$SERVICE_HOST:$service_port/v$IDENTITY_API_VERSION/ >/dev/null; do sleep 1; done"; then
+    if ! timeout $SERVICE_TIMEOUT sh -c "while ! curl --noproxy '*' -k -s $KEYSTONE_AUTH_PROTOCOL://$SERVICE_HOST:$service_port/v$IDENTITY_API_VERSION/ >/dev/null; do sleep 1; done"; then
         die $LINENO "keystone did not start"
     fi