diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index aacb994..19db15f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -51,12 +51,14 @@ jobs:
         env_vars: OS,PYTHON
     - name: Test with pytest (sdist)
       run: |
-        python -m build --sdist --outdir build-test
+        python -m build --outdir build-test
         cd build-test
         tar xf pysubs2-*.tar.gz
         cd $(find -maxdepth 1 -type d -name 'pysubs2-*')
         PYTHONPATH=. pytest
     - name: Test with pytest (wheel)
       run: |
-        python -m pip install ../pysubs2-*.whl
+        cd build-test
+        python -m pip install pysubs2-*.whl
+        cd $(find -maxdepth 1 -type d -name 'pysubs2-*')
         pytest