diff --git a/.github/workflows/build_radioconda.yml b/.github/workflows/build_radioconda.yml
index 3071309..f841030 100644
--- a/.github/workflows/build_radioconda.yml
+++ b/.github/workflows/build_radioconda.yml
@@ -163,7 +163,7 @@ jobs:
           INSTALLER_EXE="dist/$DISTNAME-*-$OS_NAME-$ARCH.exe"
           INSTALLER_EXE_W=$(cygpath -w $INSTALLER_EXE)
           echo "start /wait \"\" $INSTALLER_EXE_W /InstallationType=JustMe /RegisterPython=0 /S /D=$INSTALL_PATH_W" > install.bat
-          cmd.exe /c install.bat
+          cmd.exe //c install.bat
           eval "$($INSTALL_PATH/Scripts/conda.exe shell.bash hook)"
           conda info
           conda list