diff --git a/acme.sh b/acme.sh
index 86ed4b43..47eb5a9a 100755
--- a/acme.sh
+++ b/acme.sh
@@ -2538,7 +2538,7 @@ _initAPI() {
     response=$(_get "$_api_server")
     if [ "$?" != "0" ]; then
       _debug2 "response" "$response"
-      _err "Can not init api."
+      _err "Can not init api for: $_api_server."
       return 1
     fi
     response=$(echo "$response" | _json_decode)