diff --git a/.github/workflows/build-windows-msys2.yml b/.github/workflows/build-windows-msys2.yml
index 71d6837db..dbf47923e 100644
--- a/.github/workflows/build-windows-msys2.yml
+++ b/.github/workflows/build-windows-msys2.yml
@@ -26,7 +26,7 @@ jobs:
 
       - name: build ${{ inputs.workflow }}-windows-${{ inputs.toolset }}
         run: |
-          . ./${{ inputs.workflow }}\build_${{ inputs.toolset }}.sh
+          sh ${{ inputs.workflow }}\build_${{ inputs.toolset }}.sh
         shell:
           msys2 {0}