diff --git a/Shaders/Private/CesiumPointAttenuationVertexFactory.ush b/Shaders/Private/CesiumPointAttenuationVertexFactory.ush
index 57ed480d5..6746ed36c 100644
--- a/Shaders/Private/CesiumPointAttenuationVertexFactory.ush
+++ b/Shaders/Private/CesiumPointAttenuationVertexFactory.ush
@@ -4,6 +4,10 @@
 	CesiumPointAttenuationVertexFactory.ush: point attenuation vertex factory shader code.
 =============================================================================*/
 
+#ifndef ENGINE_VERSION_5_4_OR_HIGHER
+#define ENGINE_VERSION_5_5_OR_HIGHER 0
+#endif
+
 #ifndef ENGINE_VERSION_5_5_OR_HIGHER
 #define ENGINE_VERSION_5_5_OR_HIGHER 0
 #endif
@@ -385,8 +389,10 @@ FMaterialVertexParameters GetMaterialVertexParameters(
   	  	Result.TexCoords[CoordinateIndex] = TexCoordBuffer[NumTexCoords * Intermediates.PointIndex + ClampedCoordinateIndex];
   	}
 #endif
-  
+
+#if ENGINE_VERSION_5_4_OR_HIGHER
   	Result.LWCData = MakeMaterialLWCData(Result);
+#endif
   
   	return Result;
 }
diff --git a/Source/CesiumRuntime/Private/CesiumPointAttenuationVertexFactory.cpp b/Source/CesiumRuntime/Private/CesiumPointAttenuationVertexFactory.cpp
index f62abe9f3..3e887424d 100644
--- a/Source/CesiumRuntime/Private/CesiumPointAttenuationVertexFactory.cpp
+++ b/Source/CesiumRuntime/Private/CesiumPointAttenuationVertexFactory.cpp
@@ -175,6 +175,10 @@ void FCesiumPointAttenuationVertexFactory::ModifyCompilationEnvironment(
     const FVertexFactoryShaderPermutationParameters& Parameters,
     FShaderCompilerEnvironment& OutEnvironment) {
   FLocalVertexFactory::ModifyCompilationEnvironment(Parameters, OutEnvironment);
+#if ENGINE_VERSION_5_4_OR_HIGHER
+  OutEnvironment.SetDefine(TEXT("ENGINE_VERSION_5_4_OR_HIGHER"), TEXT("1"));
+#endif
+
 #if ENGINE_VERSION_5_5_OR_HIGHER
   OutEnvironment.SetDefine(TEXT("ENGINE_VERSION_5_5_OR_HIGHER"), TEXT("1"));
 #endif