fix ok time
diff --git a/backupninja/files/duplicity_salt.sh b/backupninja/files/duplicity_salt.sh
index 07b6278..920c93c 100644
--- a/backupninja/files/duplicity_salt.sh
+++ b/backupninja/files/duplicity_salt.sh
@@ -62,7 +62,7 @@
     if [ $[TODATE-$TOL] -gt $LAST ]; then
         exit_critical "Last backup $[(TODATE-LAST)/3600] hours ago."
     else
-        exit_ok "Last backup: $LAST"
+        exit_ok "Last backup: $[(TODATE-LAST)/3600] hours ago."
     fi
 }