diff --git a/source/dub/packagemanager.d b/source/dub/packagemanager.d
index 5eadc30..74b8542 100644
--- a/source/dub/packagemanager.d
+++ b/source/dub/packagemanager.d
@@ -192,7 +192,7 @@
 		if (!this.m_initialized)
 			this.refresh();
 
-		if (auto pkg = this.m_internal.lookup(name, vers, this))
+		if (auto pkg = this.m_internal.lookup(name, vers))
 			return pkg;
 
 		foreach (ref location; this.m_repositories)
@@ -553,11 +553,9 @@
 	*/
 	bool isManagedPath(NativePath path)
 	const {
-		foreach (rep; m_repositories) {
-			NativePath rpath = rep.packagePath;
-			if (path.startsWith(rpath))
+		foreach (rep; m_repositories)
+			if (rep.isManaged(path))
 				return true;
-		}
 		return false;
 	}
 
@@ -1407,12 +1405,13 @@
 	 * Returns:
 	 *	 A `Package` if one was found, `null` if none exists.
 	 */
-	inout(Package) lookup(string name, Version ver, PackageManager mgr) inout {
+	inout(Package) lookup(string name, Version ver) inout {
 		foreach (pkg; this.localPackages)
 			if (pkg.name == name && pkg.version_.matches(ver, VersionMatchMode.standard))
 				return pkg;
 		foreach (pkg; this.fromPath) {
-			auto pvm = mgr.isManagedPackage(pkg) ? VersionMatchMode.strict : VersionMatchMode.standard;
+			auto pvm = this.isManaged(pkg.basePackage.path) ?
+				VersionMatchMode.strict : VersionMatchMode.standard;
 			if (pkg.name == name && pkg.version_.matches(ver, pvm))
 				return pkg;
 		}
@@ -1436,7 +1435,7 @@
 	 */
 	Package load (string name, Version vers, PackageManager mgr)
 	{
-		if (auto pkg = this.lookup(name, vers, mgr))
+		if (auto pkg = this.lookup(name, vers))
 			return pkg;
 
 		string versStr = vers.toString();
@@ -1472,6 +1471,11 @@
 		result.endsWithSlash = true;
 		return result;
 	}
+
+	/// Determines if a specific path is within a DUB managed Location.
+	bool isManaged(NativePath path) const {
+		return path.startsWith(this.packagePath);
+	}
 }
 
 private immutable string OverrideDepMsg =