diff --git a/2018/ferguson/.gitignore b/2018/ferguson/.gitignore
index af210664e..657860f36 100644
--- a/2018/ferguson/.gitignore
+++ b/2018/ferguson/.gitignore
@@ -3,4 +3,3 @@ prog-simple
 prog.orig
 weasel
 weasel-simple
-prog