Ignore chargen_server_upcall
diff --git a/.gitignore b/.gitignore
index d52b9ae..f1edda0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,6 +55,7 @@
 .dirstamp
 
 # binaries
+programs/chargen_server_upcall
 programs/client
 programs/client_upcall
 programs/daytime_server