1 files changed, 4 insertions, 3 deletions
diff --git a/src/armnn/BackendSettings.hpp b/src/armnn/BackendSettings.hpp
index 211af8b539..08a8921de4 100644
--- a/src/armnn/BackendSettings.hpp
+++ b/src/armnn/BackendSettings.hpp
@@ -5,10 +5,11 @@
 
 #pragma once
 
-#include <armnn/BackendId.hpp>
-
 #include "DeviceSpec.hpp"
 
+#include <armnn/BackendId.hpp>
+#include <armnn/utility/PolymorphicDowncast.hpp>
+
 #include <vector>
 
 namespace armnn
@@ -84,7 +85,7 @@ private:
         m_PreferredBackends = preferredBackends;
 
         // Obtain list of supported backends
-        const DeviceSpec& spec = *boost::polymorphic_downcast<const DeviceSpec*>(&deviceSpec);
+        const DeviceSpec& spec = *PolymorphicDowncast<const DeviceSpec*>(&deviceSpec);
         m_SupportedBackends = spec.GetSupportedBackends();
     }