diff --git a/.github/workflows/pull-requests_build-check.yml b/.github/workflows/pull-requests_build-check.yml
index 47b13d34..b1613413 100644
--- a/.github/workflows/pull-requests_build-check.yml
+++ b/.github/workflows/pull-requests_build-check.yml
@@ -159,7 +159,7 @@ jobs:
           set BOOST_ROOT=C:\boost
           set BOOST_INCLUDEDIR=C:\boost
           set BOOST_LIBRARYDIR=C:\boost\lib
-          cmake -DCMAKE_CXX_FLAGS=/std:c++17 -DCMAKE_BUILD_TYPE=Release -DSUNSHINE_ASSETS_DIR=assets -G "MinGW Makefiles" ..
+          cmake -DCMAKE_CXX_STANDARD=17 -DCMAKE_BUILD_TYPE=Release -DSUNSHINE_ASSETS_DIR=assets -G "MinGW Makefiles" ..
           mingw32-make -j2
       - name: Package Windows
         run: |