diff --git a/src/Kconfig b/src/Kconfig
index 71abd9cf4f5bc8992433faf772c10ae545213405..1de4bc52c74293c56691d655cfd9b492d0089882 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -135,6 +135,10 @@ config RT_USING_ASM_MEMCPY
     bool
     default n
 
+config RT_KSERVICE_USING_TINY_FFS
+    bool "Enable kservice to use tiny ffs"
+    default n
+
 endmenu
 
 menuconfig RT_DEBUG