diff --git a/.github/workflows/fast_tests.yml b/.github/workflows/fast_tests.yml
index 57f2d0c4127..1c15e5a7af3 100644
--- a/.github/workflows/fast_tests.yml
+++ b/.github/workflows/fast_tests.yml
@@ -31,8 +31,9 @@ jobs:
       - id: set-matrix
         run: |
           sudo apt-get install jq
-          echo 'folder-matrix=$(find "tardis" -mindepth 1 -maxdepth 1 -type d | grep -v '__pycache__' | jq -R . | jq -cs .)' >> "$GITHUB_OUTPUT"
           echo 'os-matrix=["ubuntu-latest", "macos-latest"]' >> "$GITHUB_OUTPUT"
+          folder_matrix=$(find "tardis" -mindepth 1 -maxdepth 1 -type d | grep -v '__pycache__' | jq -R . | jq -cs .)
+          echo "folder-matrix=$folder_matrix" >> "$GITHUB_OUTPUT"
           (find "tardis" -mindepth 1 -maxdepth 1 -type d | grep -v '__pycache__' | jq -R . | jq -cs .)
           echo 'os-matrix=["ubuntu-latest", "macos-latest"]'    
       - run: |