diff --git a/src/backends/reference/workloads/RefElementwiseUnaryWorkload.hpp b/src/backends/reference/workloads/RefElementwiseUnaryWorkload.hpp
index 91229b3..471c6ed 100644
--- a/src/backends/reference/workloads/RefElementwiseUnaryWorkload.hpp
+++ b/src/backends/reference/workloads/RefElementwiseUnaryWorkload.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2019 Arm Ltd. All rights reserved.
+// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -20,7 +20,7 @@
 
     RefElementwiseUnaryWorkload(const ElementwiseUnaryQueueDescriptor& descriptor, const WorkloadInfo& info);
     void Execute() const override;
-    void ExecuteAsync(WorkingMemDescriptor& workingMemDescriptor)  override;
+    void ExecuteAsync(ExecutionData& executionData)  override;
 
 private:
     void Execute(std::vector<ITensorHandle*> inputs, std::vector<ITensorHandle*> outputs) const;