diff --git a/PythonClient/airsim/types.py b/PythonClient/airsim/types.py
index 7aef005549..1cede8ed64 100644
--- a/PythonClient/airsim/types.py
+++ b/PythonClient/airsim/types.py
@@ -575,6 +575,7 @@ def to_lists(self):
 class MeshPositionVertexBuffersResponse(MsgpackMixin):
     position = Vector3r()
     orientation = Quaternionr()
-    vertices = 0.0
-    indices = 0.0
+    # Mesh buffers arrive as lists from RPC; 0.0 was a misleading scalar default.
+    vertices = None
+    indices = None
     name = ''