diff --git a/common/piece.h b/common/piece.h
index 46e255bc..d38856fa 100644
--- a/common/piece.h
+++ b/common/piece.h
@@ -370,7 +370,7 @@ public:
 
 	void SetControlPoints(const lcArray<lcPieceControlPoint>& ControlPoints)
 	{
-		if (ControlPoints.GetSize() != 1)
+		if (ControlPoints.GetSize() > 1)
 		{
 			mControlPoints = ControlPoints;
 			UpdateMesh();