diff --git a/.gitignore b/.gitignore
index 2fabfeef4b..97cc9ce95d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,6 +59,7 @@ site-local
 *.debug
 !Kconfig.debug
 *.elf
+*.fd
 *.o
 *.o.d
 *.out