diff --git a/src/FSR3UnityPlugin.cpp b/src/FSR3UnityPlugin.cpp
index de5124b..fe8ae1b 100644
--- a/src/FSR3UnityPlugin.cpp
+++ b/src/FSR3UnityPlugin.cpp
@@ -48,6 +48,12 @@ static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType ev
     {
     case kUnityGfxDeviceEventInitialize:
     {
+        if (s_Upscaler != nullptr)
+        {
+            // Avoid double initialization
+            break;
+        }
+
         s_RendererType = s_Graphics->GetRenderer();
         switch (s_RendererType)
         {