Index: source/simulation2/components/CCmpPosition.cpp
===================================================================
--- source/simulation2/components/CCmpPosition.cpp
+++ source/simulation2/components/CCmpPosition.cpp
@@ -561,6 +561,10 @@
 			if (cmpPosition)
 				y -= cmpPosition->GetRotation().Y;
 		}
+		// Don't send messages if we don't actually rotate.
+		if ((y - m_RotY).Absolute() <= fixed::Epsilon())
+			return;
+
 		m_RotY = y;
 
 		AdvertisePositionChanges();