diff --git a/ProjectLighthouse.Tests.GameApiTests/Unit/Activity/ActivityEventHandlerTests.cs b/ProjectLighthouse.Tests.GameApiTests/Unit/Activity/ActivityEventHandlerTests.cs
index ba86e0e3..36f60b22 100644
--- a/ProjectLighthouse.Tests.GameApiTests/Unit/Activity/ActivityEventHandlerTests.cs
+++ b/ProjectLighthouse.Tests.GameApiTests/Unit/Activity/ActivityEventHandlerTests.cs
@@ -56,6 +56,12 @@ public class ActivityEventHandlerTests
             },
         });
 
+        SlotEntity slot = new()
+        {
+            SlotId = 1,
+        };
+        database.Slots.Add(slot);
+
         CommentEntity comment = new()
         {
             CommentId = 1,