diff --git a/data/mntner/OUTSOURCER-MNT b/data/mntner/OUTSOURCER-MNT
index 21dd6998e..286ead928 100644
--- a/data/mntner/OUTSOURCER-MNT
+++ b/data/mntner/OUTSOURCER-MNT
@@ -2,4 +2,4 @@ mntner:             OUTSOURCER-MNT
 admin-c:            OUTSOURCER-DN42
 tech-c:             OUTSOURCER-DN42
 mnt-by:             OUTSOURCER-MNT
-source:             DN42 
+source:             DN42