diff --git a/src/Ai/Base/Value/LastMovementValue.h b/src/Ai/Base/Value/LastMovementValue.h
index 1eb123325..0827bb26e 100644
--- a/src/Ai/Base/Value/LastMovementValue.h
+++ b/src/Ai/Base/Value/LastMovementValue.h
@@ -65,6 +65,11 @@ class LastMovementValue : public ManualSetValue<LastMovement&>
 public:
     LastMovementValue(PlayerbotAI* botAI) : ManualSetValue<LastMovement&>(botAI, data) {}
 
+    // LastMovement is non-copyable; the base Reset/Set rely on
+    // operator= which we deleted. Override both to do the right thing.
+    void Reset() override { data.clear(); }
+    void Set(LastMovement& /*val*/) override {}
+
 private:
     LastMovement data{};
 };