diff --git a/src/device.c b/src/device.c
index 7716937..2e31937 100644
--- a/src/device.c
+++ b/src/device.c
@@ -19,6 +19,7 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 
  *
  */
+#include <sys/ioctl.h>
 
 #include "nwipe.h"
 #include "context.h"