1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index 33cb8254e79d..33255fe8031e 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -108,7 +108,7 @@ static void
 ppp_print_hex (register __u8 * out, const __u8 * in, int count)
 {
         register __u8 next_ch;
-        static char hex[] = "0123456789ABCDEF";
+        static const char hex[] = "0123456789ABCDEF";
 
         while (count-- > 0) {
                 next_ch = *in++;