diff --git a/Modules/Core/Common/include/itkMetaDataObjectDetail.h b/Modules/Core/Common/include/itkMetaDataObjectDetail.h
index 38b140fde03..26201bfc262 100644
--- a/Modules/Core/Common/include/itkMetaDataObjectDetail.h
+++ b/Modules/Core/Common/include/itkMetaDataObjectDetail.h
@@ -21,6 +21,7 @@
 
 #include <type_traits>
 #include <utility>
+#include <iosfwd>
 
 namespace itk
 {