diff --git a/examples/utest/configs/kernel/irq.conf b/examples/utest/configs/kernel/irq.conf
index 83fe48563838decb4d2fc04dc141e536475abefe..c8f044fce481df6520a244e7ef3e970d4f9939c1 100644
--- a/examples/utest/configs/kernel/irq.conf
+++ b/examples/utest/configs/kernel/irq.conf
@@ -1,2 +1,3 @@
 CONFIG_UTEST_IRQ_TC=y
+CONFIG_RT_HOOK_USING_FUNC_PTR=y
 # dependencies