1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 5ef90be2a249..8b303ff20289 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -91,6 +91,7 @@ static void dsos__purge(struct dsos *dsos)
 
         list_for_each_entry_safe(pos, n, &dsos->head, node) {
                 RB_CLEAR_NODE(&pos->rb_node);
+                pos->root = NULL;
                 list_del_init(&pos->node);
                 dso__put(pos);
         }