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-rw-r--r--indra/llmath/llvolume.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index f41cd1b4e8..d6dfb5c7a9 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -5762,7 +5762,7 @@ void LLVolumeFace::cacheOptimize()
for (U32 i = 0; i < mNumIndices; i++)
{ //populate vertex data and triangle data arrays
U16 idx = mIndices[i];
- U16 tri_idx = i/3;
+ U32 tri_idx = i/3;
vertex_data[idx].mTriangles.push_back(&(triangle_data[tri_idx]));
vertex_data[idx].mIdx = idx;