1 files changed, 2 insertions, 0 deletions
diff --git a/Python/hamt.c b/Python/hamt.c
index 52171222b0..f8bce5961a 100644
--- a/Python/hamt.c
+++ b/Python/hamt.c
@@ -2476,6 +2476,8 @@ hamt_alloc(void)
     if (o == NULL) {
         return NULL;
     }
+    o->h_count = 0;
+    o->h_root = NULL;
     o->h_weakreflist = NULL;
     PyObject_GC_Track(o);
     return o;