diff --git a/Gems/Atom/Asset/ImageProcessingAtom/Code/Include/Atom/ImageProcessing/ImageProcessingBus.h b/Gems/Atom/Asset/ImageProcessingAtom/Code/Include/Atom/ImageProcessing/ImageProcessingBus.h
index 318f43016d..b8deb50cc5 100644
--- a/Gems/Atom/Asset/ImageProcessingAtom/Code/Include/Atom/ImageProcessing/ImageProcessingBus.h
+++ b/Gems/Atom/Asset/ImageProcessingAtom/Code/Include/Atom/ImageProcessing/ImageProcessingBus.h
@@ -25,6 +25,7 @@ namespace ImageProcessingAtom
         // EBusTraits overrides
         static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
         static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
+        typedef AZStd::recursive_mutex MutexType;
         //////////////////////////////////////////////////////////////////////////
 
         // Loads an image from a source file path