diff --git a/setup/so-setup b/setup/so-setup
index eaac276b8..796764cca 100755
--- a/setup/so-setup
+++ b/setup/so-setup
@@ -289,7 +289,7 @@ percentage=0
 	kill -9 $progress_bg_proc
 	if [[ $install_success -gt 0 ]]; then
 		error "Could not install packages required for setup, exiting now."
-		kill -SIGUSR1 "$setup_proc"; exit 1
+		kill -SIGUSR1 "$setup_proc" &> /dev/null; exit 1
 	fi
 	set_progress_str 99 "Detecting whether setup is running in the cloud."
 	detect_cloud