diff --git a/src/relaxation_filter.cc b/src/relaxation_filter.cc
index 7927073..9ab596c 100644
--- a/src/relaxation_filter.cc
+++ b/src/relaxation_filter.cc
@@ -30,10 +30,10 @@ vtkTypeBool RelaxationFilter::RequestData(
 	std::set<vtkIdType> neighbors;
 	output->BuildLinks();
 	double avg[3];
-	
+
 	for (vtkIdType i = 0; i < output->GetNumberOfPoints(); i++) {
 		if (!isSurface->GetValue(i)) continue;
-		
+
 		output->GetPointCells(i, neighborCells);
 
 		if (neighborCells->GetNumberOfIds() != 0) {
@@ -70,7 +70,7 @@ vtkTypeBool RelaxationFilter::RequestData(
 		neighborCells->Reset();
 		neighbors.clear();
 	}
-	
+
 	output->SetPoints(newPoints);
 	return true;
 }