diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e863cbb4..3516727b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -114,11 +114,11 @@ jobs:
 
     - name: Test without coverage
       if: "! matrix.use_coverage"
-      run: "tox -e ${{ matrix.tox_env }}  --installpkg dist/*.whl"
+      run: "tox run -e ${{ matrix.tox_env }}  --installpkg dist/*.whl"
 
     - name: Test with coverage
       if: "matrix.use_coverage"
-      run: "tox -e ${{ matrix.tox_env }}-coverage --installpkg dist/*.whl"
+      run: "tox run -e ${{ matrix.tox_env }}-coverage --installpkg dist/*.whl"
 
     - name: Upload coverage
       if: matrix.use_coverage && github.repository == 'pytest-dev/pluggy'