diff --git a/.ignore_format.yml b/.ignore_format.yml
index 4a0e8bbec7..a7474f0c52 100644
--- a/.ignore_format.yml
+++ b/.ignore_format.yml
@@ -6,4 +6,5 @@ file_path:
 - bsp/allwinner_tina/libcpu/cpu.c
 
 dir_path:
-- tools
\ No newline at end of file
+- tools
+- bsp/nrf51822
\ No newline at end of file