diff --git a/pkgs/additional/sane-scripts/src/sane-vpn b/pkgs/additional/sane-scripts/src/sane-vpn
index afab4265..e4d1316e 100755
--- a/pkgs/additional/sane-scripts/src/sane-vpn
+++ b/pkgs/additional/sane-scripts/src/sane-vpn
@@ -12,6 +12,7 @@ usageDescription() {
   echo "sane-vpn up [REGION]"
   echo "sane-vpn down [REGION]"
   echo "sane-vpn do [REGION [COMMAND ...] ]"
+  echo "sane-vpn do -- [COMMAND ...]"
   echo "sane-vpn dns-fix"
   echo "sane-vpn help"
 }
@@ -63,7 +64,7 @@ canonicalizeRegion() {
     fi
   done
 
-  if [ -z "$region" ] || [ "$region" = "default" ]; then
+  if [ -z "$region" ] || [ "$region" = "default" ] || [ "$region" = "-" ] || [ "$region" = "--" ]; then
     debug "canonicalizing default region to '$defaultVpn'"
     region="$defaultVpn"
   fi