diff --git a/reactos/drivers/wdm/audio/filters/directory.rbuild b/reactos/drivers/wdm/audio/filters/directory.rbuild
index 3ec31b5f309..c9f338f946b 100644
--- a/reactos/drivers/wdm/audio/filters/directory.rbuild
+++ b/reactos/drivers/wdm/audio/filters/directory.rbuild
@@ -4,4 +4,7 @@
 	<directory name="kmixer">
 		<xi:include href="kmixer/kmixer.rbuild" />
 	</directory>
+	<directory name="splitter">
+		<xi:include href="splitter/splitter.rbuild" />
+	</directory>	
 </group>