diff --git a/drivers/char/random.c b/drivers/char/random.c
index 0474cac4a84e..7f5271272f91 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -794,7 +794,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
 
 	buf[0] ^= buf[3];
 	buf[1] ^= buf[4];
-	buf[0] ^= rol32(buf[3], 16);
+	buf[2] ^= rol32(buf[2], 16);
 	memcpy(out, buf, EXTRACT_SIZE);
 	memset(buf, 0, sizeof(buf));
 }