diff --git a/lib/hash.h b/lib/hash.h
index 2bb0ada9f4..60c412b8e0 100644
--- a/lib/hash.h
+++ b/lib/hash.h
@@ -39,6 +39,11 @@ DECLARE_MTYPE(HASH_BACKET)
 #define HASHWALK_CONTINUE 0
 #define HASHWALK_ABORT -1
 
+#if CONFDATE > 20200225
+CPP_NOTICE("hash.h: time to remove hash_backet #define")
+#endif
+#define hash_backet hash_bucket
+
 struct hash_bucket {
 	/*
 	 * if this bucket is the head of the linked listed, len denotes the