diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bb2169c..73bf7c1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,7 +24,7 @@ jobs:
         id: sc64version
         with:
           _input-text: ${{ github.ref_name }}
-          "\\": -
+          [\\]: -
 
       # - name: Set SC64 version
       #   run: |