diff --git a/Code/LauncherUnified/Platform/Windows/Launcher_Windows.cpp b/Code/LauncherUnified/Platform/Windows/Launcher_Windows.cpp
index 5cc3070cdb..44426f6d01 100644
--- a/Code/LauncherUnified/Platform/Windows/Launcher_Windows.cpp
+++ b/Code/LauncherUnified/Platform/Windows/Launcher_Windows.cpp
@@ -9,6 +9,7 @@
 
 #include <CryCommon/CryLibrary.h>
 #include <AzCore/Math/Vector2.h>
+#include <AzCore/Memory/SystemAllocator.h>
 
 int APIENTRY WinMain([[maybe_unused]] HINSTANCE hInstance, [[maybe_unused]] HINSTANCE hPrevInstance, [[maybe_unused]] LPSTR lpCmdLine, [[maybe_unused]] int nCmdShow)
 {