diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6acfbf5..ee6a8a8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 
 env:
-  SUFFIX: ${{ (github.head_ref || github.ref_name) == 'main' && '' || format('-{0}', github.head_ref || github.ref_name) }}
+  SUFFIX: ${{ (github.head_ref || github.ref_name) != 'main' && format('-{0}', github.head_ref || github.ref_name) || '' }}
 
 jobs:
   checks: