diff --git a/examples/utest/configs/kernel/ipc.cfg b/examples/utest/configs/kernel/ipc.cfg
index 2dff349c31..3db6e14f8c 100644
--- a/examples/utest/configs/kernel/ipc.cfg
+++ b/examples/utest/configs/kernel/ipc.cfg
@@ -7,7 +7,7 @@ CONFIG_RT_UTEST_EVENT=y
 CONFIG_RT_UTEST_MESSAGEQUEUE=y
 CONFIG_RT_UTEST_SIGNAL=y
 CONFIG_RT_UTEST_MUTEX=y
-CONFIG_UTEST_MAILBOX_TC=y
+CONFIG_RT_UTEST_MAILBOX=y
 
 CONFIG_RT_USING_SEMAPHORE=y
 CONFIG_RT_USING_EVENT=y
diff --git a/src/utest/Kconfig b/src/utest/Kconfig
index b086edf066..12c5c9456d 100644
--- a/src/utest/Kconfig
+++ b/src/utest/Kconfig
@@ -52,7 +52,7 @@ config RT_UTEST_MUTEX
     bool "mutex test"
     default n
 
-config UTEST_MAILBOX_TC
+config RT_UTEST_MAILBOX
     bool "mailbox test"
     default n
 
diff --git a/src/utest/SConscript b/src/utest/SConscript
index c3c6e9a7a2..31db2a9480 100644
--- a/src/utest/SConscript
+++ b/src/utest/SConscript
@@ -38,7 +38,7 @@ if GetDepend(['RT_UTEST_SIGNAL']):
 if GetDepend(['RT_UTEST_MUTEX']):
     src += ['mutex_tc.c', 'mutex_pi_tc.c']
 
-if GetDepend(['UTEST_MAILBOX_TC']):
+if GetDepend(['RT_UTEST_MAILBOX']):
     src += ['mailbox_tc.c']
 
 if GetDepend(['UTEST_THREAD_TC']):