diff --git a/.github/actions/windows-install.sh b/.github/actions/windows-install.sh
index 33d5095a..35cf7fb4 100755
--- a/.github/actions/windows-install.sh
+++ b/.github/actions/windows-install.sh
@@ -9,7 +9,7 @@ export gampath="${distpath}/gam"
 rm -rf $gampath
 #mkdir -p $gampath
 #export gampath=$(readlink -e $gampath)
-pyinstaller --clean --noupx -F --distpath $distpath gam.spec
+pyinstaller --clean --noupx --distpath $distpath gam.spec
 export gam="${gampath}/gam"
 echo "running compiled GAM..."
 $gam version