diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dc55ff2d..4fb9d19b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -93,6 +93,7 @@ jobs:
           curl -L https://jrsoftware.org/download.php/is.exe > innosetup.exe
           innosetup.exe /VERYSILENT /SUPPRESSMSGBOXES /Log=log.txt || (cat log.txt && exit 1)
       - name: Create windows installer
+        shell: bash
         run: iscc -Dkyoo=$(realpath dist_win) -O./ -Fkyoo-windows deployment/kyoo-windows.iss
       - uses: actions/upload-artifact@v2
         with: