diff --git a/templates/lv2/data/manifest.ttl.in b/templates/lv2/data/manifest.ttl.in
index a90ca9d..4f9086f 100644
--- a/templates/lv2/data/manifest.ttl.in
+++ b/templates/lv2/data/manifest.ttl.in
@@ -31,7 +31,7 @@
 	lv2:optionalFeature state:threadSafeRestore ;
 {{?}}
 {{?it.product.ui}}
-	ui:ui plugin:ui ;
+	ui:ui {{=it.tibia.lv2.ttlURI(it.lv2.ui.uri)}} ;
 {{?}}
 {{?(it.product.state && it.product.state.dspCustom)}}
 	lv2:extensionData state:interface ;
@@ -130,7 +130,7 @@
 {{~}}
 
 {{?it.product.ui}}
-plugin:ui
+{{=it.tibia.lv2.ttlURI(it.lv2.ui.uri)}}
 	a ui:@UI_TYPE@ ;
 	ui:binary <{{=it.product.bundleName}}@DLL_SUFFIX@> ;
 {{?!it.product.ui.userResizable}}
diff --git a/templates/lv2/src/data.h b/templates/lv2/src/data.h
index 3b0f960..4d304e2 100644
--- a/templates/lv2/src/data.h
+++ b/templates/lv2/src/data.h
@@ -71,7 +71,7 @@ static uint32_t param_out_index[DATA_PRODUCT_CONTROL_OUTPUTS_N] = {
 
 {{?it.product.ui}}
 #define DATA_UI
-#define DATA_LV2_UI_URI				"{{=it.tibia.CGetUTF8StringLiteral(it.tibia.lv2.expandURI(it.lv2.uri + '#ui'))}}"
+#define DATA_LV2_UI_URI				"{{=it.tibia.CGetUTF8StringLiteral(it.tibia.lv2.expandURI(it.lv2.ui.uri))}}"
 #define DATA_UI_USER_RESIZABLE			{{=it.product.ui.userResizable ? 1 : 0}}
 {{?}}
 
diff --git a/templates/lv2/tibia-index.js b/templates/lv2/tibia-index.js
index d7e15ec..0a52f1d 100644
--- a/templates/lv2/tibia-index.js
+++ b/templates/lv2/tibia-index.js
@@ -88,8 +88,6 @@ module.exports = function (data, api, outputCommon, outputData) {
 		for (var id in data.lv2.prefixes)
 			data.tibia.lv2.prefixes.push({ id: id, uri: data.lv2.prefixes[id] });
 
-		data.tibia.lv2.prefixes.push({ id: "plugin", uri: data.tibia.lv2.expandURI(data.lv2.uri) + "#" });
-
 		var buses = data.product.buses;
 		var audioPorts = [];
 		var midiPorts = [];
diff --git a/test/lv2.json b/test/lv2.json
index 098c70f..e91776f 100644
--- a/test/lv2.json
+++ b/test/lv2.json
@@ -6,6 +6,9 @@
 		"uri": "@example:tibia_test",
 		"project": "@example:project",
 		"types": [ "@lv2:AmplifierPlugin" ],
-		"version": "1.0"
+		"version": "1.0",
+		"ui": {
+			"uri": "@example:tibia_test#ui"
+		}
 	}
 }