diff --git a/templates/lv2/data/manifest.ttl.in b/templates/lv2/data/manifest.ttl.in
index 731c9cd..7ebeef5 100644
--- a/templates/lv2/data/manifest.ttl.in
+++ b/templates/lv2/data/manifest.ttl.in
@@ -125,5 +125,6 @@
 {{=it.tibia.lv2.ttlURI(it.lv2.ui.uri)}}
 	a ui:@UI_TYPE@ ;
 	ui:binary <{{=it.product.bundleName}}@DLL_SUFFIX@> ;
-	lv2:requiredFeature ui:idleInterface .
+	lv2:requiredFeature ui:idleInterface ;
+	lv2:extensionData ui:idleInterface .
 {{?}}