diff --git a/examples/chardev.c b/examples/chardev.c
index c2f0858..a337d19 100644
--- a/examples/chardev.c
+++ b/examples/chardev.c
@@ -36,7 +36,7 @@ enum {
 /* Is device open? Used to prevent multiple access to device */
 static atomic_t already_open = ATOMIC_INIT(CDEV_NOT_USED);
 
-static char msg[BUF_LEN]; /* The msg the device will give when asked */
+static char msg[BUF_LEN + 1]; /* The msg the device will give when asked */
 
 static struct class *cls;
 
diff --git a/examples/chardev2.c b/examples/chardev2.c
index db5e24d..58ed57b 100644
--- a/examples/chardev2.c
+++ b/examples/chardev2.c
@@ -28,7 +28,7 @@ enum {
 static atomic_t already_open = ATOMIC_INIT(CDEV_NOT_USED);
 
 /* The message the device will give when asked */
-static char message[BUF_LEN];
+static char message[BUF_LEN + 1];
 
 static struct class *cls;