diff --git a/Code/LauncherUnified/Launcher.cpp b/Code/LauncherUnified/Launcher.cpp
index 48747b50a7..09a9e2f990 100644
--- a/Code/LauncherUnified/Launcher.cpp
+++ b/Code/LauncherUnified/Launcher.cpp
@@ -50,12 +50,12 @@ void CVar_OnViewportPosition(const AZ::Vector2& value);
 
 namespace
 {
-    void OnViewportResize(const AZ::Vector2& value);
+    void CVar_OnViewportResize(const AZ::Vector2& value);
 
-    AZ_CVAR(AZ::Vector2, r_viewportSize, AZ::Vector2::CreateZero(), OnViewportResize, AZ::ConsoleFunctorFlags::DontReplicate,
+    AZ_CVAR(AZ::Vector2, r_viewportSize, AZ::Vector2::CreateZero(), CVar_OnViewportResize, AZ::ConsoleFunctorFlags::DontReplicate,
         "The default size for the launcher viewport, 0 0 means full screen");
 
-    void OnViewportResize(const AZ::Vector2& value)
+    void CVar_OnViewportResize(const AZ::Vector2& value)
     {
         AzFramework::NativeWindowHandle windowHandle = nullptr;
         AzFramework::WindowSystemRequestBus::BroadcastResult(windowHandle, &AzFramework::WindowSystemRequestBus::Events::GetDefaultWindowHandle);