diff --git a/include/zephyr/sys/printk-hooks.h b/include/zephyr/sys/printk-hooks.h
index a4c347e0ab0..ef59469ed7b 100644
--- a/include/zephyr/sys/printk-hooks.h
+++ b/include/zephyr/sys/printk-hooks.h
@@ -33,6 +33,6 @@ void __printk_hook_install(printk_hook_fn_t fn);
  *
  * @return a function pointer or NULL if no hook is set
  */
-void *__printk_get_hook(void);
+printk_hook_fn_t __printk_get_hook(void);
 
 #endif /* ZEPHYR_INCLUDE_SYS_PRINTK_HOOKS_H_ */
diff --git a/lib/os/printk.c b/lib/os/printk.c
index aa90efce3e5..c7c276503e2 100644
--- a/lib/os/printk.c
+++ b/lib/os/printk.c
@@ -60,7 +60,7 @@ void __printk_hook_install(printk_hook_fn_t fn)
 	_char_out = fn;
 }
 
-void *__printk_get_hook(void)
+printk_hook_fn_t __printk_get_hook(void)
 {
 	return _char_out;
 }