diff --git a/src/backends/backendsCommon/WorkloadData.hpp b/src/backends/backendsCommon/WorkloadData.hpp
index 0a232dc..8a2dd1f 100644
--- a/src/backends/backendsCommon/WorkloadData.hpp
+++ b/src/backends/backendsCommon/WorkloadData.hpp
@@ -668,4 +668,9 @@
     void Validate(const WorkloadInfo& workloadInfo) const;
 };
 
+struct ReduceQueueDescriptor : QueueDescriptorWithParameters<ReduceDescriptor>
+{
+    void Validate(const WorkloadInfo& workloadInfo) const;
+};
+
 } // namespace armnn