diff --git a/kernel/banner.c b/kernel/banner.c
index dc2506fb9b1..061e57048d1 100644
--- a/kernel/banner.c
+++ b/kernel/banner.c
@@ -24,7 +24,7 @@
 #endif /* BUILD_VERSION */
 #endif /* !BANNER_VERSION */
 
-void boot_banner(void)
+__weak void boot_banner(void)
 {
 #if defined(CONFIG_BOOT_DELAY) && (CONFIG_BOOT_DELAY > 0)
 	printk("***** delaying boot " DELAY_STR "ms (per build configuration) *****\n");