diff --git a/.gitea/workflows/lint.yml b/.gitea/workflows/lint.yml
index 3e58bf8..3d9c39f 100644
--- a/.gitea/workflows/lint.yml
+++ b/.gitea/workflows/lint.yml
@@ -20,6 +20,7 @@ jobs:
 
       - name: Build firmware
         run: |
+          . /opt/esp/idf/export.sh
           cd get-started/csi_recv_router
           idf.py build