diff --git a/tools/.gitignore b/tools/.gitignore
index 3a4136b..03f54ef 100644
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -4,6 +4,7 @@
 /img2srec
 /mkimage
 /mpc86x_clk
+/ncb
 /ncp
 /ubsha1
 /inca-swap-bytes