diff --git a/code/lkm.c b/code/lkm.c
index 207690c23..c6c208bc3 100644
--- a/code/lkm.c
+++ b/code/lkm.c
@@ -10,7 +10,7 @@ static int lkm_init(void);
 static int lkm_exit(void);
 int lkm_open(struct inode *, struct file *);
 int lkm_release(struct inode *, struct file *);
-long lkm_ioctl(struct file *, unsigned int, long unsigend int);
+long lkm_ioctl(struct file *, unsigned int, long unsigend);
 
 static struct file_operations lkm_fops = {
 	.owner = "",