diff --git a/tests/.gitignore b/tests/.gitignore
index 37a4bde5c4..ea86d023ee 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -31,6 +31,7 @@
 /sprintf
 /stdlib/a64l
 /stdlib/bsearch
+/stdlib/mktemp
 /stdlib/rand
 /stdlib/strtol
 /stdlib/strtoul