diff --git a/lightningd/lightningd.c b/lightningd/lightningd.c
index 124aa1ab4..520b506d3 100644
--- a/lightningd/lightningd.c
+++ b/lightningd/lightningd.c
@@ -86,6 +86,7 @@ static struct lightningd *new_lightningd(const tal_t *ctx,
 	ld->dev_debug_subdaemon = NULL;
 	ld->dev_disconnect_fd = -1;
 	ld->dev_hsm_seed = NULL;
+	ld->dev_subdaemon_fail = false;
 #endif
 
 	return ld;