diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6ff57edb9..7d638224e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,9 +16,9 @@ jobs:
       - name: Build all
         if: startsWith(github.ref, 'refs/tags/')
         run: |
-          tools/make-chromium.sh $VERSION
-          tools/make-firefox.sh $VERSION
-          tools/make-thunderbird.sh $VERSION
+          "$GITHUB_WORKSPACE/tools/make-chromium.sh $VERSION"
+          "$GITHUB_WORKSPACE/tools/make-firefox.sh $VERSION"
+          "$GITHUB_WORKSPACE/tools/make-thunderbird.sh $VERSION"
 
       - name: Upload packages
         uses: softprops/action-gh-release@v1
@@ -28,6 +28,6 @@ jobs:
           VERSION: ${{ format(github.ref, 'refs/tags/', '') }}
         with:
           files: |
-            dist/build/uBlock0_$VERSION.chromium.zip
-            dist/build/uBlock0_$VERSION.firefox.xpi
-            dist/build/uBlock0_$VERSION.thunderbird.xpi
+            "$GITHUB_WORKSPACE/dist/build/uBlock0_$VERSION.chromium.zip"
+            "$GITHUB_WORKSPACE/dist/build/uBlock0_$VERSION.firefox.xpi"
+            "$GITHUB_WORKSPACE/dist/build/uBlock0_$VERSION.thunderbird.xpi"