diff --git a/source/dub/commandline.d b/source/dub/commandline.d
index a23f786..e62e533 100644
--- a/source/dub/commandline.d
+++ b/source/dub/commandline.d
@@ -728,8 +728,7 @@
 
 		string package_name;
 		enforceUsage(free_args.length <= 1, "Expected one or zero arguments.");
-		if (free_args.length >= 1) package_name = free_args[1];
-
+		if (free_args.length >= 1) package_name = free_args[0];
 		setupPackage(dub, package_name);
 
 		m_defaultConfig = dub.project.getDefaultConfiguration(m_buildPlatform);