diff --git a/setup/so-functions b/setup/so-functions
index 0986c8899..ea5720a03 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -2252,7 +2252,7 @@ set_path() {
 set_proxy() {
 
 	# Don't proxy localhost, local ip, and management ip
-	local no_proxy_string="localhost, 127.0.0.1, ${MAINIP}"
+	local no_proxy_string="localhost, 127.0.0.1, ${MAINIP}, ${HOSTNAME}"
 
 	# Set proxy environment variables used by curl, wget, docker, and others
 	{