diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4b9f75a..a89681a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -63,7 +63,7 @@ jobs:
         conda info -a
 
     - name: No-MPI case
-      if: ${{ matrix.MPI == 'no' }}
+      if: ${{ matrix.MPI != 'no' }}
       run: |
         pip install --user mpi4py