diff --git a/Assets/Mirror/Components/PredictedRigidbody/PredictedRigidbody.cs b/Assets/Mirror/Components/PredictedRigidbody/PredictedRigidbody.cs
index 7d24d1678..c39782611 100644
--- a/Assets/Mirror/Components/PredictedRigidbody/PredictedRigidbody.cs
+++ b/Assets/Mirror/Components/PredictedRigidbody/PredictedRigidbody.cs
@@ -247,7 +247,7 @@ protected virtual void CreateGhosts()
             // cache components to avoid GetComponent calls at runtime
             physicsCopyRigidbody = physicsCopy.GetComponent<Rigidbody>();
             physicsCopyCollider = physicsCopy.GetComponent<Collider>();
-            if (physicsGhostRigidbody == null) throw new Exception("SeparatePhysics: couldn't find final Rigidbody.");
+            if (physicsCopyRigidbody == null) throw new Exception("SeparatePhysics: couldn't find final Rigidbody.");
             if (physicsCopyCollider == null) throw new Exception("SeparatePhysics: couldn't find final Collider.");
         }