diff --git a/lightningd/peer_htlcs.h b/lightningd/peer_htlcs.h
index 42136f77a..042c4c367 100644
--- a/lightningd/peer_htlcs.h
+++ b/lightningd/peer_htlcs.h
@@ -4,6 +4,7 @@
 #include "config.h"
 #include <ccan/short_types/short_types.h>
 #include <lightningd/derive_basepoints.h>
+#include <lightningd/htlc_wire.h>
 
 /* FIXME: Define serialization primitive for this? */
 struct channel_info {