diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 13a405454..12efc9da2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -82,8 +82,8 @@ jobs:
 
       - name: Cancel Previous Runs (except master/devel)
         if: >
-          steps.get_branch.outputs.branch_name == 'master' ||
-          steps.get_branch.outputs.branch_name == 'devel'
+          steps.get_branch.outputs.branch_name != 'master' &&
+          steps.get_branch.outputs.branch_name != 'devel'
         uses: styfle/cancel-workflow-action@0.5.0
         with:
           access_token: ${{ github.token }}