diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index da9dcf59de2..06beba47ffd 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -430,7 +430,8 @@ static struct notifier_block lapbeth_dev_notifier = {
 	.notifier_call = lapbeth_device_event,
 };
 
-static char banner[] __initdata = KERN_INFO "LAPB Ethernet driver version 0.02\n";
+static const char banner[] __initdata =
+	KERN_INFO "LAPB Ethernet driver version 0.02\n";
 
 static int __init lapbeth_init_driver(void)
 {
diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c
index 3d00971fe5e..ad4e79c4c5c 100644
--- a/drivers/net/wan/z85230.c
+++ b/drivers/net/wan/z85230.c
@@ -1775,7 +1775,8 @@ EXPORT_SYMBOL(z8530_queue_xmit);
 /*
  *	Module support
  */
-static char banner[] __initdata = KERN_INFO "Generic Z85C30/Z85230 interface driver v0.02\n";
+static const char banner[] __initdata =
+	KERN_INFO "Generic Z85C30/Z85230 interface driver v0.02\n";
 
 static int __init z85230_init_driver(void)
 {