diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index d224961e134644aaf05d116acc742c2b28ee0db9..d2a2e4bc2435984315ea70bddad74160affe353b 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -349,7 +349,8 @@ struct earlycon_device {
 };
 
 struct earlycon_id {
-	char	name[16];
+	char	name[15];
+	char	name_term;	/* In case compiler didn't '\0' term name */
 	char	compatible[128];
 	int	(*setup)(struct earlycon_device *, const char *options);
 } __aligned(32);