diff --git a/traefik.yml b/traefik.yml
index 76be016..a60d7b4 100644
--- a/traefik.yml
+++ b/traefik.yml
@@ -201,8 +201,12 @@
             do
               host ${host} >/dev/null 2>&1 || continue
               curl -s https://${host} >/dev/null 2>&1 || continue
-              until ssllabs-scan --quiet ${host} >/tmp/ssllabs-scan-result-$host
+              while cat /tmp/ssllabs-scan-result-$host | jq -r | egrep -q '^\[\]$'
               do
+                until ssllabs-scan --quiet ${host} >/tmp/ssllabs-scan-result-$host
+                do
+                  sleep 60
+                done
                 sleep 60
               done
               cat /tmp/ssllabs-scan-result-$host | jq '.[] | .endpoints | .[] | .grade' >${g_tmp}/ssllabs-scan-result 2>&1 >${g_tmp}/ssllabs-scan-result