diff --git a/source/dub/commandline.d b/source/dub/commandline.d
index 41e366d..c763804 100644
--- a/source/dub/commandline.d
+++ b/source/dub/commandline.d
@@ -144,7 +144,7 @@
 	*/
 	string[] commandNames()
 	{
-		return commands.map!(g => g.commands.map!(c => c.name).array).join.array;
+		return commands.map!(g => g.commands.map!(c => c.name).array).join;
 	}
 
 	/** Parses the general options and sets up the log level