diff --git a/1.2/HalPolicy.hpp b/1.2/HalPolicy.hpp
index 9d6dd49..25aee82 100644
--- a/1.2/HalPolicy.hpp
+++ b/1.2/HalPolicy.hpp
@@ -43,6 +43,8 @@
                               const Model& model,
                               ConversionData& data,
                               armnn::ResizeMethod resizeMethod);
+
+    static bool ConvertSpaceToDepth(const Operation& operation, const Model& model, ConversionData& data);
 };
 
 } // namespace hal_1_2