diff --git a/tests/.gitignore b/tests/.gitignore
index 620d8c72440cdb7d870a79e4ce161596092d3106..052d905de4655801f360258f04d09f7302b7c455 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -20,6 +20,7 @@
 /link
 /link.out
 /math
+/mem
 /setid
 /sleep
 /pipe