diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8ffb57a..580569a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -26,16 +26,14 @@ jobs:
         channel: 'dev'
     - run: |
         flutter config --enable-linux-desktop
-        flutter channel dev
-        flutter upgrade
         flutter devices
         flutter doctor
       env:
-        FLUTTER_ROOT: $FLUTTER_HOME
+        FLUTTER_ROOT: $(echo $FLUTTER_HOME)
     # - run: flutter test
     - run: flutter build linux --pub --verbose
       env:
-        FLUTTER_ROOT: $FLUTTER_HOME
+        FLUTTER_ROOT: $(echo $FLUTTER_HOME)
     - name: Upload a Build Artifact
       uses: actions/upload-artifact@v2
       with: