diff --git a/tests/.gitignore b/tests/.gitignore
index 37a4bde5c495acab9729ed6c49de56e9ce6cef84..ea86d023ee59b3d490bca06fc7941a50895eec65 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -31,6 +31,7 @@
 /sprintf
 /stdlib/a64l
 /stdlib/bsearch
+/stdlib/mktemp
 /stdlib/rand
 /stdlib/strtol
 /stdlib/strtoul