diff --git a/src/core/gcal-range-tree.c b/src/core/gcal-range-tree.c
index f87f7d0e..3fc66c2b 100644
--- a/src/core/gcal-range-tree.c
+++ b/src/core/gcal-range-tree.c
@@ -254,6 +254,7 @@ delete_node (Node     *n,
   left = n->left;
   right = n->right;
 
+  g_clear_pointer (&n->range, gcal_range_unref);
   g_ptr_array_unref (n->data_array);
   g_free (n);