diff --git a/src/backends/cl/ClBackend.cpp b/src/backends/cl/ClBackend.cpp
index d185c15..840da8b 100644
--- a/src/backends/cl/ClBackend.cpp
+++ b/src/backends/cl/ClBackend.cpp
@@ -12,7 +12,7 @@
 
 namespace
 {
-static const std::string s_Id = "GpuAcc";
+static const BackendId s_Id{"GpuAcc"};
 
 static BackendRegistry::Helper g_RegisterHelper{
     s_Id,
@@ -24,7 +24,7 @@
 
 }
 
-const std::string& ClBackend::GetId() const
+const BackendId& ClBackend::GetId() const
 {
     return s_Id;
 }
diff --git a/src/backends/cl/ClBackend.hpp b/src/backends/cl/ClBackend.hpp
index c43b6a6..b927db4 100644
--- a/src/backends/cl/ClBackend.hpp
+++ b/src/backends/cl/ClBackend.hpp
@@ -16,7 +16,7 @@
     ClBackend()  = default;
     ~ClBackend() = default;
 
-    const std::string& GetId() const override;
+    const BackendId& GetId() const override;
 
     const ILayerSupport& GetLayerSupport() const override;