diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/revenant.yml b/Resources/Prototypes/Entities/Mobs/NPCs/revenant.yml
index 66a6dd8ded3..e6f4d0fc7a4 100644
--- a/Resources/Prototypes/Entities/Mobs/NPCs/revenant.yml
+++ b/Resources/Prototypes/Entities/Mobs/NPCs/revenant.yml
@@ -62,6 +62,8 @@
     interfaces:
       enum.StoreUiKey.Key:
         type: StoreBoundUserInterface
+      enum.VoiceMaskUIKey.Key:
+        type: VoiceMaskBoundUserInterface # Backmen 
   - type: Visibility
     layer: 2 #ghost vis layer
   - type: Store