diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
index 514f7c6d5..1778286d9 100644
--- a/.github/workflows/build-linux.yml
+++ b/.github/workflows/build-linux.yml
@@ -87,4 +87,4 @@ jobs:
         uses: actions/upload-artifact@v2
         with:
           name: gtsam-${{ matrix.name }}
-          path: $GITHUB_WORKSPACE/build/
+          path: ${{ github.workspace }}/build/
diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 298fc316b..2a3af6b9e 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -55,4 +55,4 @@ jobs:
         uses: actions/upload-artifact@v2
         with:
           name: gtsam-${{ matrix.name }}
-          path: $GITHUB_WORKSPACE/build/
+          path: ${{ github.workspace }}/build/
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 446e708a6..1de0d0493 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -80,4 +80,4 @@ jobs:
         uses: actions/upload-artifact@v2
         with:
           name: gtsam-${{ matrix.name }}
-          path: $GITHUB_WORKSPACE/build/
+          path: ${{ github.workspace }}/build/