diff --git a/setup/so-functions b/setup/so-functions
index 4eabd8657..20fa67dfd 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -967,7 +967,7 @@ parse_options() {
 			proxy=$(echo "$1" | tr -d '"' | awk -F'--proxy=' '{print $2}')
 
 			local proxy_protocol
-			proxy_protocol=$(echo "$proxy" |tr -d '"' | awk 'match($0, /http|https/) { print substr($0, RSTART, RLENGTH) }')
+			proxy_protocol=$(echo "$proxy" | awk 'match($0, /http|https/) { print substr($0, RSTART, RLENGTH) }')
 
 			if [[ ! $proxy_protocol =~ ^(http|https)$ ]]; then
 				echo "Invalid proxy protocol"