diff --git a/src/backends/reference/workloads/Pad.hpp b/src/backends/reference/workloads/Pad.hpp
index 42318d6..4297185 100644
--- a/src/backends/reference/workloads/Pad.hpp
+++ b/src/backends/reference/workloads/Pad.hpp
@@ -15,7 +15,8 @@
 template <typename T>
 void Pad(const TensorInfo& inputInfo,
          const TensorInfo& outputInfo,
-         std::vector<std::pair<unsigned int, unsigned int>> m_PadList,
+         std::vector<std::pair<unsigned int, unsigned int>> m_padList,
          const T* inputData,
-         T* outData);
+         T* outData,
+         const float padValue);
 } //namespace armnn