diff --git a/lib/dencli/sub.rb b/lib/dencli/sub.rb
index 7b71093..31a2acd 100644
--- a/lib/dencli/sub.rb
+++ b/lib/dencli/sub.rb
@@ -120,10 +120,13 @@ class DenCli::Sub
 		name = name.to_s  unless name.nil?
 		@subs[name] = obj
 		if @noshortaliases
-			DenCli.gen_aliases( name, min) {|a| @aliases[a] ||= obj }
-		else
-			warn "Alias already exists: #{full_cmd.join ' '} #{name}"  if @aliases.has_key? name
+			warn "Command/Alias already exists: #{full_cmd.join ' '} #{name}"  if @aliases.has_key? name
 			@aliases[name] = obj
+		else
+			DenCli.gen_aliases name, min do |a|
+				warn "Command/Alias already exists: #{full_cmd.join ' '} #{a}"  if @aliases.has_key? a
+				@aliases[a] ||= obj
+			end
 		end
 		if aliases
 			[*aliases].each do |a|