diff --git a/lightningd/lightningd.c b/lightningd/lightningd.c
index 61e4917c7824..9bee17ff31fb 100644
--- a/lightningd/lightningd.c
+++ b/lightningd/lightningd.c
@@ -851,6 +851,10 @@ int main(int argc, char *argv[])
 	free_unreleased_txs(ld->wallet);
 	db_commit_transaction(ld->wallet->db);
 
+	/* Clean our our HTLC maps, since they use malloc. */
+	htlc_in_map_clear(&ld->htlcs_in);
+	htlc_out_map_clear(&ld->htlcs_out);
+
 	remove(ld->pidfile);
 
 	/* FIXME: pay can have children off tmpctx which unlink from