diff --git a/files/www/cgi-bin/setup b/files/www/cgi-bin/setup
index 86b53c5e..d3bd20e0 100755
--- a/files/www/cgi-bin/setup
+++ b/files/www/cgi-bin/setup
@@ -642,7 +642,7 @@ if parms.button_save then
     end
 
     if nodetac:match("/") then
-        node, tactical = nodetac:match("^%s*([%w-]+)%s*/%s*([%w-])%s*$")
+        node, tactical = nodetac:match("^%s*([%w-]+)%s*/%s*([%w-]*)%s*$")
         if tactical == "" then
             err("invalid node/tactical name")
         end