diff --git a/device.c b/device.c
index 278181c..1b0e3b9 100644
--- a/device.c
+++ b/device.c
@@ -38,6 +38,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <fcntl.h>
 
 #include "cdba-server.h"
 #include "device.h"