diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b24c00c..ab1270b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -76,7 +76,7 @@ jobs:
         uses: pypa/cibuildwheel@v2.19
         env:
           CIBW_BUILD: '{cp38,cp39,cp310,cp311,cp312,pypy39,pypy310}-*'
-          CIBW_TEST_COMMAND: 'python -m unittest discover -t "/{project}" tests'
+          CIBW_TEST_COMMAND: 'python -m unittest discover -t "{project}" tests'
 
       - name: Upload wheel
         uses: actions/upload-artifact@v4