diff --git a/roles/kerneltest/templates/kerneltest.cfg b/roles/kerneltest/templates/kerneltest.cfg
index a4a38ece79..f1438c2696 100644
--- a/roles/kerneltest/templates/kerneltest.cfg
+++ b/roles/kerneltest/templates/kerneltest.cfg
@@ -23,7 +23,7 @@ MAIL_ADMIN = 'pingou@pingoured.fr'
 ADMIN_GROUP = ['sysadmin-kernel', 'sysadmin-main']
 
 # List of MIME types allowed for upload in the application
-ALLOWED_MIMETYPES = ['text/plain']
+ALLOWED_MIMETYPES = ['text/plain', 'text/x-log']
 
 # Restrict the size of content uploaded, this is 10Kb
 MAX_CONTENT_LENGTH = 1024 * 10