diff --git a/include/itkHalideDiscreteGaussianImageFilter.hxx b/include/itkHalideDiscreteGaussianImageFilter.hxx
index f44183d..5b12fee 100644
--- a/include/itkHalideDiscreteGaussianImageFilter.hxx
+++ b/include/itkHalideDiscreteGaussianImageFilter.hxx
@@ -33,7 +33,10 @@ namespace itk
 
 template <typename TInputImage, typename TOutputImage>
 HalideDiscreteGaussianImageFilter<TInputImage, TOutputImage>::HalideDiscreteGaussianImageFilter()
-{}
+{
+  this->DynamicMultiThreadingOff();
+  this->ThreaderUpdateProgressOff();
+}
 
 
 template <typename TInputImage, typename TOutputImage>