diff --git a/static-lv2-ttl/Vitalium-unfa.lv2/manifest.ttl b/static-lv2-ttl/Vitalium-unfa.lv2/manifest.ttl
index 5e7e6606..1e0433e6 100644
--- a/static-lv2-ttl/Vitalium-unfa.lv2/manifest.ttl
+++ b/static-lv2-ttl/Vitalium-unfa.lv2/manifest.ttl
@@ -1,11 +1,20 @@
 @prefix lv2: <http://lv2plug.in/ns/lv2core#> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
 @prefix pset: <http://lv2plug.in/ns/ext/presets#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix state: <http://lv2plug.in/ns/ext/state#> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 <urn:distrho:vitalium#unfa>
 	a pset:Bank ;
 	rdfs:label "unfa" .
 
+<urn:juce:stateBinary>
+	a owl:DatatypeProperty ;
+	rdfs:label "Plugin state as base64-encoded string" ;
+	rdfs:domain state:State ;
+	rdfs:range xsd:base64Binary .
+
 <Analog_Brass.ttl>
 	a pset:Preset ;
 	lv2:appliesTo <urn:distrho:vitalium> ;