diff --git a/composer.json b/composer.json
index 635a2bf..54a4d8b 100644
--- a/composer.json
+++ b/composer.json
@@ -27,5 +27,10 @@
     "typo3/cms-core": "^10.0",
     "typo3/cms-form": "^10.0",
     "tollwerk/tw-base": ">=2.3.0"
-  }
+  },
+   "extra": {
+      "typo3/cms": {
+         "extension-key": "tw_geo"
+      }
+   }
 }