diff --git a/components/drivers/serial/utest/Kconfig b/components/drivers/serial/utest/Kconfig
index b64a433822..31d1784fa2 100644
--- a/components/drivers/serial/utest/Kconfig
+++ b/components/drivers/serial/utest/Kconfig
@@ -32,14 +32,14 @@ menu "Serial Unit Testcases"
             bool "qemu dedicated tests"
             default n
 
-        config UTEST_SERIAL_POSIX_TC
+        config RT_UTEST_SERIAL_POSIX
             bool "Serial posix testcase"
             default n
             select RT_USING_DFS
             select RT_USING_POSIX_FS
             select RT_USING_POSIX_TERMIOS
 
-        if UTEST_SERIAL_POSIX_TC
+        if RT_UTEST_SERIAL_POSIX
 
             config RT_SERIAL_POSIX_TC_DEVICE_NAME
                 string "the device name for serial posix test"
diff --git a/components/drivers/serial/utest/v2/SConscript b/components/drivers/serial/utest/v2/SConscript
index 98b3eabecb..487fff585d 100644
--- a/components/drivers/serial/utest/v2/SConscript
+++ b/components/drivers/serial/utest/v2/SConscript
@@ -6,7 +6,7 @@ src     = Glob('*.c')
 
 path = [cwd]
 
-if GetDepend(['UTEST_SERIAL_POSIX_TC']):
+if GetDepend(['RT_UTEST_SERIAL_POSIX']):
     src += Glob('posix/*.c')
 
 if GetDepend(['RT_UTEST_SERIAL_QEMU']):