diff --git a/qbsp/brushbsp.cc b/qbsp/brushbsp.cc
index 9da938c2..8275666b 100644
--- a/qbsp/brushbsp.cc
+++ b/qbsp/brushbsp.cc
@@ -392,6 +392,8 @@ static void LeafNode(node_t *leafnode, std::vector<std::unique_ptr<bspbrush_t>>
     }
 
     qbsp_options.target_game->count_contents_in_stats(leafnode->contents, *stats.leafstats);
+
+    leafnode->volume.reset();
 }
 
 //============================================================