diff --git a/utils/logalloc.cc b/utils/logalloc.cc
index 98532c6f0b..ab7ffbc7f7 100644
--- a/utils/logalloc.cc
+++ b/utils/logalloc.cc
@@ -1211,6 +1211,7 @@ public:
             assert(seg->is_empty());
             free_segment(seg);
         }
+        _closed_occupancy = {};
         if (_active) {
             assert(_active->is_empty());
             free_segment(_active);