diff --git a/logrotate/onedrive.logrotate b/logrotate/onedrive.logrotate
index d64a1f9b..73a88d74 100644
--- a/logrotate/onedrive.logrotate
+++ b/logrotate/onedrive.logrotate
@@ -1,10 +1,12 @@
 # Any OneDrive Client logs configured for here 
 
 /var/log/onedrive/*log {
-	# What user / group should logrotate use?
-	su root users
-	
-	# rotate log files weekly
+    # What user / group should logrotate use?
+    # Logrotate 3.8.9 or greater required otherwise:
+    #   "unknown option 'su' -- ignoring line" is generated 
+    su root users
+    
+    # rotate log files weekly
     weekly
 
     # keep 4 weeks worth of backlogs
@@ -21,4 +23,4 @@
     
     # missing files OK
     missingok
-}
\ No newline at end of file
+}