diff --git a/lightningd/memdump.c b/lightningd/memdump.c
index 08d62372a..a5d171bf8 100644
--- a/lightningd/memdump.c
+++ b/lightningd/memdump.c
@@ -161,6 +161,7 @@ static void scan_mem(struct command *cmd,
 	memleak_remove_htable(memtable, &ld->topology->txowatches.raw);
 	memleak_remove_htable(memtable, &ld->htlcs_in.raw);
 	memleak_remove_htable(memtable, &ld->htlcs_out.raw);
+	memleak_remove_htable(memtable, &ld->htlc_sets.raw);
 
 	/* Now delete ld and those which it has pointers to. */
 	memleak_remove_referenced(memtable, ld);