diff --git a/.gitignore b/.gitignore
index 59e1460fef..c604747a0d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -133,6 +133,7 @@
 /pre-inst-env
 /release-*
 /scripts/guix
+/t-*/
 /test-env
 /test-tmp
 /tests/*.trs