diff --git a/lib/widgets/viewer/info/metadata/xmp_namespaces.dart b/lib/widgets/viewer/info/metadata/xmp_namespaces.dart
index 626c1ef83..b912b90e0 100644
--- a/lib/widgets/viewer/info/metadata/xmp_namespaces.dart
+++ b/lib/widgets/viewer/info/metadata/xmp_namespaces.dart
@@ -77,7 +77,7 @@ class XmpNamespace extends Equatable {
     }
   }
 
-  String get displayTitle => Namespaces.nsTitles[nsUri] ?? '${nsPrefix.substring(0, nsPrefix.length - 1)} ($nsUri)';
+  String get displayTitle => Namespaces.nsTitles[nsUri] ?? (nsPrefix.isEmpty ? nsUri : '${nsPrefix.substring(0, nsPrefix.length - 1)} ($nsUri)');
 
   Map<String, String> get buildProps => rawProps;