diff --git a/r5dev/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp b/r5dev/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp
index 62bd54ab..07476140 100644
--- a/r5dev/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp
+++ b/r5dev/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp
@@ -1550,7 +1550,7 @@ static dtStatus removeVertex(dtTileCachePolyMesh& mesh, const unsigned short rem
 	}
 	
 	// Remove vertex.
-	for (int i = (int)rem; i < mesh.nverts; ++i)
+	for (int i = (int)rem; i < mesh.nverts - 1; ++i)
 	{
 		mesh.verts[i*3+0] = mesh.verts[(i+1)*3+0];
 		mesh.verts[i*3+1] = mesh.verts[(i+1)*3+1];