diff --git a/fthd_drv.h b/fthd_drv.h
index 21c5f74..e16ccab 100644
--- a/fthd_drv.h
+++ b/fthd_drv.h
@@ -24,6 +24,7 @@
 #include <linux/spinlock.h>
 #include <linux/wait.h>
 #include <linux/mutex.h>
+#include <linux/version.h>
 #include <media/videobuf2-dma-sg.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>