diff --git a/source/dub/generators/generator.d b/source/dub/generators/generator.d
index 34352ba..700b150 100644
--- a/source/dub/generators/generator.d
+++ b/source/dub/generators/generator.d
@@ -394,7 +394,7 @@
 	{
 		child.addVersions(parent.versions);
 		child.addDebugVersions(parent.debugVersions);
-		child.addOptions(BuildOptions(cast(BuildOptions)parent.options & inheritedBuildOptions));
+		child.addOptions(BuildOptions(parent.options & inheritedBuildOptions));
 	}
 
 	private static void mergeFromDependency(in ref BuildSettings child, ref BuildSettings parent)