diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
index 1778286d9..cd4933cd9 100644
--- a/.github/workflows/build-linux.yml
+++ b/.github/workflows/build-linux.yml
@@ -86,5 +86,5 @@ jobs:
       - name: Upload build directory
         uses: actions/upload-artifact@v2
         with:
-          name: gtsam-${{ matrix.name }}
+          name: gtsam-${{ matrix.name }}-${{ matrix.build_type }}
           path: ${{ github.workspace }}/build/
diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 2a3af6b9e..5e6f8ca04 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -54,5 +54,5 @@ jobs:
       - name: Upload build directory
         uses: actions/upload-artifact@v2
         with:
-          name: gtsam-${{ matrix.name }}
+          name: gtsam-${{ matrix.name }}-${{ matrix.build_type }}
           path: ${{ github.workspace }}/build/
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 1de0d0493..63c276020 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -79,5 +79,5 @@ jobs:
       - name: Upload build directory
         uses: actions/upload-artifact@v2
         with:
-          name: gtsam-${{ matrix.name }}
+          name: gtsam-${{ matrix.name }}-${{ matrix.build_type }}
           path: ${{ github.workspace }}/build/