diff --git a/setup/so-functions b/setup/so-functions
index e8360c671..daeb917a0 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -771,7 +771,7 @@ disable_auto_start() {
 		logCmd "crontab -u $INSTALLUSERNAME -r"
 	fi
 
-	if grep -q so-setup /home/$INSTALLUSERNAME/.bash_profile; then
+	if grep -s -q so-setup /home/$INSTALLUSERNAME/.bash_profile; then
 		# Truncate last line of the bash profile
 		info "Removing auto-run of setup from bash profile"
 		sed -i '$ d' /home/$INSTALLUSERNAME/.bash_profile >> "$setup_log" 2>&1