diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index 353d9f3..0289705 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -22,6 +22,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/dmi.h>
+#include <linux/capability.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>