diff --git a/core-logic/src/main/java/eu/europa/ec/corelogic/model/DocumentIdentifier.kt b/core-logic/src/main/java/eu/europa/ec/corelogic/model/DocumentIdentifier.kt
index c9975cb7..fa46fdd0 100644
--- a/core-logic/src/main/java/eu/europa/ec/corelogic/model/DocumentIdentifier.kt
+++ b/core-logic/src/main/java/eu/europa/ec/corelogic/model/DocumentIdentifier.kt
@@ -56,7 +56,7 @@ sealed interface DocumentIdentifier {
 
     data object PHOTOID : DocumentIdentifier {
         override val nameSpace: String
-            get() = "org.iso.23220.2.photoid.1"
+            get() = "org.iso.23220.photoid.1"
         override val docType: DocType
             get() = "org.iso.23220.2.photoid.1"
     }