diff --git a/.github/workflows/pull-requests_build-check.yml b/.github/workflows/pull-requests_build-check.yml
index f3c92ded..3666ddcc 100644
--- a/.github/workflows/pull-requests_build-check.yml
+++ b/.github/workflows/pull-requests_build-check.yml
@@ -131,7 +131,7 @@ jobs:
 
       - name: Setup Windows
         run: |
-          pacman --needed --noconfirm -S mingw-w64-x86_64-binutils mingw-w64-x86_64-openssl mingw-w64-x86_64-cmake mingw-w64-x86_64-toolchain mingw-w64-x86_64-opus mingw-w64-x86_64-x265 mingw-w64-x86_64-boost git yasm nasm diffutils make
+          C:\msys64\usr\bin\bash -lc "pacman --needed --noconfirm -S mingw-w64-x86_64-binutils mingw-w64-x86_64-openssl mingw-w64-x86_64-cmake mingw-w64-x86_64-toolchain mingw-w64-x86_64-opus mingw-w64-x86_64-x265 mingw-w64-x86_64-boost git yasm nasm diffutils make"
       - name: Build Windows
         run: |
           mkdir sunshine-windows-build && cd sunshine-windows-build