diff --git a/platform.json b/platform.json
index 6dd1c6b..29a966b 100644
--- a/platform.json
+++ b/platform.json
@@ -96,7 +96,7 @@
     "library-lwip": {
       "type": "framework",
       "optional": true,
-      "base_url": "https://gitea.dlitz.net/scratch/lwip"
+      "base_url": "https://gitea.dlitz.net/scratch/lwip.git"
     },
     "library-freertos": {
       "type": "framework",