diff --git a/.cvsignore b/.cvsignore
index b3235be..9e0d075 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,6 +1,8 @@
 dgamelaunch
+nethackstub
 tags
 cscope.out
 error.log
+ktrace.out
 y.tab.*
 lex.yy.*