diff --git a/gossipd/Makefile b/gossipd/Makefile
index 92b39093a..3c4e57bec 100644
--- a/gossipd/Makefile
+++ b/gossipd/Makefile
@@ -38,6 +38,7 @@ GOSSIPD_COMMON_OBJS :=				\
 	common/daemon_conn.o			\
 	common/debug.o				\
 	common/dev_disconnect.o			\
+	common/io_debug.o			\
 	common/msg_queue.o			\
 	common/ping.o				\
 	common/pseudorand.o			\
diff --git a/gossipd/gossip.c b/gossipd/gossip.c
index cd097e335..2af61d2e6 100644
--- a/gossipd/gossip.c
+++ b/gossipd/gossip.c
@@ -13,6 +13,7 @@
 #include <common/cryptomsg.h>
 #include <common/daemon_conn.h>
 #include <common/debug.h>
+#include <common/io_debug.h>
 #include <common/ping.h>
 #include <common/status.h>
 #include <common/timeout.h>
@@ -773,6 +774,7 @@ int main(int argc, char *argv[])
 	struct daemon *daemon;
 
 	subdaemon_debug(argc, argv);
+	io_poll_override(debug_poll);
 
 	if (argc == 2 && streq(argv[1], "--version")) {
 		printf("%s\n", version());