diff --git a/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.cpp b/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.cpp
index 8e21e412f132..35bb8321fdd2 100644
--- a/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.cpp
+++ b/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.cpp
@@ -57,10 +57,11 @@ const FName NotBlueprintTypeMetaDataKey = TEXT("NotBlueprintType");
 const FName BlueprintSpawnableComponentMetaDataKey = TEXT("BlueprintSpawnableComponent");
 const FName BlueprintGetterMetaDataKey = TEXT("BlueprintGetter");
 const FName BlueprintSetterMetaDataKey = TEXT("BlueprintSetter");
+const FName BlueprintInternalUseOnlyMetaDataKey = TEXT("BlueprintInternalUseOnly");
+const FName CustomThunkMetaDataKey = TEXT("CustomThunk");
 const FName DeprecatedPropertyMetaDataKey = TEXT("DeprecatedProperty");
 const FName DeprecatedFunctionMetaDataKey = TEXT("DeprecatedFunction");
 const FName DeprecationMessageMetaDataKey = TEXT("DeprecationMessage");
-const FName CustomStructureParamMetaDataKey = TEXT("CustomStructureParam");
 const FName HasNativeMakeMetaDataKey = TEXT("HasNativeMake");
 const FName HasNativeBreakMetaDataKey = TEXT("HasNativeBreak");
 const FName NativeBreakFuncMetaDataKey = TEXT("NativeBreakFunc");
@@ -1198,7 +1199,8 @@ bool IsScriptExposedFunction(const UFunction* InFunc)
 		&& InFunc->HasAnyFunctionFlags(FUNC_BlueprintCallable | FUNC_BlueprintEvent)
 		&& !InFunc->HasMetaData(BlueprintGetterMetaDataKey)
 		&& !InFunc->HasMetaData(BlueprintSetterMetaDataKey)
-		&& !InFunc->HasMetaData(CustomStructureParamMetaDataKey)
+		&& !InFunc->HasMetaData(BlueprintInternalUseOnlyMetaDataKey)
+		&& !InFunc->HasMetaData(CustomThunkMetaDataKey)
 		&& !InFunc->HasMetaData(NativeBreakFuncMetaDataKey)
 		&& !InFunc->HasMetaData(NativeMakeFuncMetaDataKey);
 }
diff --git a/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.h b/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.h
index 5e48fa95f598..6bd271ca0f6c 100644
--- a/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.h
+++ b/Engine/Plugins/Experimental/PythonScriptPlugin/Source/PythonScriptPlugin/Private/PyGenUtil.h
@@ -46,7 +46,8 @@ namespace PyGenUtil
 	extern const FName BlueprintSpawnableComponentMetaDataKey;
 	extern const FName BlueprintGetterMetaDataKey;
 	extern const FName BlueprintSetterMetaDataKey;
-	extern const FName CustomStructureParamMetaDataKey;
+	extern const FName BlueprintInternalUseOnlyMetaDataKey;
+	extern const FName CustomThunkMetaDataKey;
 	extern const FName HasNativeMakeMetaDataKey;
 	extern const FName HasNativeBreakMetaDataKey;
 	extern const FName NativeBreakFuncMetaDataKey;