diff --git a/.gitignore b/.gitignore
index 5e36a0b5eb..1970002350 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,5 +29,6 @@
 /image.raw.cache-pre-inst
 /install-tree
 /mkosi.builddir/
+/mkosi.output/
 /tags
 __pycache__/