diff --git a/images/macos/provision/core/edge.sh b/images/macos/provision/core/edge.sh
index 24ea8e952..6eaecbc8a 100644
--- a/images/macos/provision/core/edge.sh
+++ b/images/macos/provision/core/edge.sh
@@ -44,7 +44,7 @@ do
 done
 
 echo "kill autoupdate process"
-ps -ef | grep [M]icrosoft | awk '{print $2}' | sudo xargs kill -9
+pgrep [M]icrosoft | sudo xargs kill -9 || true
 echo "remove autupdate service"
 sudo launchctl remove com.microsoft.autoupdate.helper