diff --git a/source/dub/packagemanager.d b/source/dub/packagemanager.d
index 92505aa..f31f597 100644
--- a/source/dub/packagemanager.d
+++ b/source/dub/packagemanager.d
@@ -1441,7 +1441,7 @@
 			const pack_path = path ~ (pdir.name ~ "/");
 			auto packageFile = Package.findPackageFile(pack_path);
 
-			if (mgr.isManagedPath(path)) {
+			if (isManaged(path)) {
 				// Old / flat directory structure, used in non-standard path
 				// Packages are stored in $ROOT/$SOMETHING/`
 				if (!packageFile.empty) {