diff --git a/.gitea/workflows/deploy-ui.yml b/.gitea/workflows/deploy-ui.yml
index 2c241fb..0747caa 100644
--- a/.gitea/workflows/deploy-ui.yml
+++ b/.gitea/workflows/deploy-ui.yml
@@ -20,7 +20,8 @@ jobs:
 
       - name: Set up Node.js
         run: |
-          source ~/.nvm/nvm.sh
+          export NVM_DIR="${HOME}/.nvm"
+          [ -s "${NVM_DIR}/nvm.sh" ] && . "${NVM_DIR}/nvm.sh"
           nvm install --lts
           echo "$(dirname "$(nvm which current)")" >> "$GITHUB_PATH"