diff --git a/drivers/firewire/fw-iso.c b/drivers/firewire/fw-iso.c
index 61548c4..6b63856 100644
--- a/drivers/firewire/fw-iso.c
+++ b/drivers/firewire/fw-iso.c
@@ -26,6 +26,7 @@
 
 #include "fw-transaction.h"
 #include "fw-topology.h"
+#include "fw-device.h"
 
 static int
 setup_iso_buffer(struct fw_iso_context *ctx, size_t size,