diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 9fe2b99..bf90646 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -37,7 +37,7 @@ jobs:
         venv/bin/pip install cryptography
 
     - name: run mypy type checks
-      if: matrix.python-version > "3.11"
+      if: ${{ matrix.python-version != '3.11' }}
       run: |
         venv/bin/pip install mypy
         venv/bin/mypy ../zenlib