diff --git a/Assets/_DDD/_Scripts/Game/GameEvent/IInteractable.cs b/Assets/_DDD/_Scripts/Game/GameEvent/IInteractable.cs
index 684924323..093af0d2f 100644
--- a/Assets/_DDD/_Scripts/Game/GameEvent/IInteractable.cs
+++ b/Assets/_DDD/_Scripts/Game/GameEvent/IInteractable.cs
@@ -34,7 +34,7 @@ public struct InteractionDisplayParameters
         public InteractionDisplayParameters(string defaultMessageKey, string conditionalMessageKey = null)
         {
             DefaultMessageKey = defaultMessageKey ?? string.Empty;
-            ConditionalMessageKey = conditionalMessageKey ?? DefaultMessageKey;
+            ConditionalMessageKey = string.IsNullOrWhiteSpace(conditionalMessageKey) ? DefaultMessageKey : conditionalMessageKey;
         }
     }