diff --git a/plugins/systemd/timesync_status b/plugins/systemd/timesync_status
index c223d633..6e86e4a2 100755
--- a/plugins/systemd/timesync_status
+++ b/plugins/systemd/timesync_status
@@ -95,11 +95,29 @@ def retrieve():
     output = result.stdout.decode('utf-8')
     values = parse_response(output)
 
-    print('offset.value', parse_time(values['Offset']))
-    print('delay.value', parse_time(values['Delay']))
-    print('delay.extinfo', 'Server', values['Server'])
-    print('jitter.value', parse_time(values['Jitter']))
-    print('poll.value', parse_time(values['Poll interval'].split('(')[0]))
+    # If NTP server is not responding, timesync-status will not return all
+    # fields, we mark these as "U"
+
+    if 'Offset' in values:
+        print('offset.value', parse_time(values['Offset']))
+    else:
+        print('offset.value U')
+
+    if 'Delay' in values:
+        print('delay.value', parse_time(values['Delay']))
+        print('delay.extinfo', 'Server', values['Server'])
+    else:
+        print('delay.value U')
+
+    if 'Jitter' in values:
+        print('jitter.value', parse_time(values['Jitter']))
+    else:
+        print('jitter.value U')
+
+    if 'Poll interval' in values:
+        print('poll.value', parse_time(values['Poll interval'].split('(')[0]))
+    else:
+        print('poll.value U')
 
 
 def autoconf():