diff --git a/source/dub/dub.d b/source/dub/dub.d
index 327c618..d0c0c93 100644
--- a/source/dub/dub.d
+++ b/source/dub/dub.d
@@ -219,7 +219,7 @@
 	}
 
 	/// @see uninstall(string, string, InstallLocation)
-	immutable string UninstallVersionWildcard = "*";
+	enum UninstallVersionWildcard = "*";
 
 	/// This will uninstall a given package with a specified version from the 
 	/// location.