diff --git a/src/Kconfig b/src/Kconfig
index 6afb7193957abff35165fc28f669f69902ce3ead..a1b0ff9a17c48c1f2f6be73a81a9214c8da2bf48 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -347,6 +347,10 @@ menu "Kernel Device Object"
         config RT_CONSOLE_DEVICE_NAME
             string "the device name for console"
             default "uart"
+
+        config RT_PRINTF_LONGLONG
+            bool "rt_kprintf support long long"
+            default n
     endif
 
 endmenu