diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 75fd119f8224..797583d9278b 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4542,6 +4542,9 @@ static inline void *mas_next_nentry(struct ma_state *mas,
 	}
 
 	pivots = ma_pivots(node, type);
+	if (!pivots)
+		return NULL;
+
 	slots = ma_slots(node, type);
 	mas->index = mas_safe_min(mas, pivots, mas->offset);
 	if (ma_dead_node(node))