diff --git a/.gitignore b/.gitignore
index 01a425e891..f237596062 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,7 @@
 /pm_to_blib
 node_modules/
 
-api/v1/swagger/swagger_bundle.yaml
+api/v1/swagger/swagger_bundle.json
 
 koha-tmpl/opac-tmpl/bootstrap/css/maps/
 koha-tmpl/opac-tmpl/bootstrap/css/opac.css