diff --git a/action.yml b/action.yml
index 072cd1b..df81bfd 100644
--- a/action.yml
+++ b/action.yml
@@ -26,9 +26,10 @@ runs:
         printf '%s' "$TOKEN" > "$NIKS3_AUTH_TOKEN_FILE"
 
         echo "set up environment for niks3"
-
+        NIKS3_REPO_NAME=$(echo "$FORGEJO_REPOSITORY" | sed 's/[^[:alnum:]_-]/./g')
         echo "NIKS3_AUTH_TOKEN_FILE=$NIKS3_AUTH_TOKEN_FILE" >> "$FORGEJO_ENV"
         echo "NIKS3_SERVER_URL=$NIKS3_SERVER_URL" >> "$FORGEJO_ENV"
+        echo "NIKS3_REPO_NAME=$NIKS3_REPO_NAME" >> "$FORGEJO_ENV"
       env:
         NIKS3_SERVER_URL: ${{ inputs.server-url }}
         TOKEN: ${{ inputs.token }}