diff --git a/zipArtifacts.bat b/zipArtifacts.bat
index 8716847396..1f46f0fac2 100644
--- a/zipArtifacts.bat
+++ b/zipArtifacts.bat
@@ -16,7 +16,7 @@ copy %platform%\%configuration%\*.exe %WORKDIR%\
 copy %platform%\%configuration%\*.dll %WORKDIR%\
 copy %platform%\%configuration%\*.pdb %WORKDIR%\
 
-7z a %OUTFILE%  /r %WORKDIR%
+7z a %OUTFILE%  -r %WORKDIR%
 7z l %OUTFILE%
 
 if exist %WORKDIR% (