diff --git a/.github/workflows/ffmpeg.yml b/.github/workflows/ffmpeg.yml
index da0ec9c..64314cc 100644
--- a/.github/workflows/ffmpeg.yml
+++ b/.github/workflows/ffmpeg.yml
@@ -444,9 +444,10 @@ jobs:
         cd x265\build\vc15-x86_64
         mkdir work work10 work12
         cd work12
-        cmake -G "Visual Studio 16 2019" ../../../source -DHIGH_BIT_DEPTH=ON -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF -DMAIN12=ON
-        MSBuild.exe /property:Configuration="${{ env.winConfig }}" x265-static.vcxproj
-        cp ${{ env.winConfig }}/x265-static.lib ../work/x265_12bit.lib
+        D:\a\_temp\setup-msys2\msys2.cmd -c 'cmake -G "Visual Studio 16 2019" ../../../source -DHIGH_BIT_DEPTH=ON -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF -DMAIN12=ON ; MSBuild.exe /property:Configuration="${{ env.winConfig }}" x265.sln'
+        
+        rem MSBuild.exe /property:Configuration="${{ env.winConfig }}" x265-static.vcxproj
+        rem cp ${{ env.winConfig }}/x265-static.lib ../work/x265_12bit.lib
         rem cd ../work10
         rem cmake -G "Visual Studio 16 2019" ../../../source -DHIGH_BIT_DEPTH=ON -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF
         rem MSBuild.exe /property:Configuration="${{ env.winConfig }}" x265-static.vcxproj