diff --git a/t5exp/XModel.h b/t5exp/XModel.h
index 080bebd..9071aa2 100644
--- a/t5exp/XModel.h
+++ b/t5exp/XModel.h
@@ -562,7 +562,13 @@ struct XModel
 	float maxs[3];
 	__int16 numLods;
 	__int16 collLod;
-	XModelStreamInfo streamInfo;
+	
+	union
+	{
+		XModelStreamInfo streamInfo;
+		float* himipInvSqRadii;
+	};
+
 	int memUsage;
 	int flags;
 	bool bad;
diff --git a/t5exp/XModelExport.cpp b/t5exp/XModelExport.cpp
index 8b25f8c..b012f28 100644
--- a/t5exp/XModelExport.cpp
+++ b/t5exp/XModelExport.cpp
@@ -302,10 +302,10 @@ void Write(XModel* Asset)
 		dest->boneInfo = (XBoneInfo *)-1;
 	}
 
-	if (Asset->streamInfo.highMipBounds)
+	if (Asset->himipInvSqRadii)
 	{
-		Buffer->Write(Asset->streamInfo.highMipBounds, sizeof(float), 4 * Asset->numsurfs);
-		dest->streamInfo.highMipBounds = (XModelHighMipBounds *)-1;
+		Buffer->Write(Asset->himipInvSqRadii, 16, Asset->numsurfs);
+		dest->himipInvSqRadii = (float *)-1;
 	}
 
 	if (Asset->physPreset)