diff --git a/setup/so-functions b/setup/so-functions
index 53ce44a33..20a6e463b 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -2183,7 +2183,7 @@ set_proxy() {
 		"}" > /root/.docker/config.json
 
 	# Set proxy for package manager
-	if [[ $is_rocky | $is_centos ]]; then
+	if [[ $is_rocky || $is_centos ]]; then
 		echo "proxy=$so_proxy" >> /etc/yum.conf
 	else
 		# Set it up so the updates roll through the manager