diff --git a/2004/sds/.gitignore b/2004/sds/.gitignore
index 262b4a689..b1057c76f 100644
--- a/2004/sds/.gitignore
+++ b/2004/sds/.gitignore
@@ -2,3 +2,7 @@ sds
 encoder
 encoder.c
 message
+sds2_msg
+sds2_msg.c
+sds_msg
+sds_msg.c