diff --git a/.github/workflows/ffmpeg.yml b/.github/workflows/ffmpeg.yml
index 1f2d042..6f0e40c 100644
--- a/.github/workflows/ffmpeg.yml
+++ b/.github/workflows/ffmpeg.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - name: Set up development tools
         shell: cmd
-        run: C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat
+        run: call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat"
       - name: Set up MSYS2
         uses: msys2/setup-msys2@v2
         with: