diff --git a/Modules/Core/GPUFiniteDifference/include/itkGPUFiniteDifferenceFilterEnum.h b/Modules/Core/GPUFiniteDifference/include/itkGPUFiniteDifferenceFilterEnum.h
index 3a8485b3cf2..73c2393733c 100644
--- a/Modules/Core/GPUFiniteDifference/include/itkGPUFiniteDifferenceFilterEnum.h
+++ b/Modules/Core/GPUFiniteDifference/include/itkGPUFiniteDifferenceFilterEnum.h
@@ -20,6 +20,7 @@
 
 #include <iostream>
 #include "ITKGPUFiniteDifferenceExport.h"
+#include "itkIntTypes.h"
 
 namespace itk
 {