diff --git a/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp b/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp
index 72334c6af..33a8a0639 100644
--- a/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp
+++ b/src/BulletCollision/NarrowPhaseCollision/btPolyhedralContactClipping.cpp
@@ -276,8 +276,7 @@ bool btPolyhedralContactClipping::findSeparatingAxis(	const btConvexPolyhedron&
 
 	}
 
-	const btVector3 deltaC = transB.getOrigin() - transA.getOrigin();
-	if((deltaC.dot(sep))>0.0f)
+	if((DeltaC2.dot(sep))>0.0f)
 		sep = -sep;
 
 	return true;