diff --git a/aprsd/utils.py b/aprsd/utils.py
index 295de97..14b47ff 100644
--- a/aprsd/utils.py
+++ b/aprsd/utils.py
@@ -399,6 +399,9 @@ def strfdelta(tdelta, fmt="{hours:{width}}:{minutes:{width}}:{seconds:{width}}")
         "days": tdelta.days,
         "width": "02",
     }
+    if tdelta.days > 0:
+        fmt = "{days} days " + fmt
+
     d["hours"], rem = divmod(tdelta.seconds, 3600)
     d["minutes"], d["seconds"] = divmod(rem, 60)
     return fmt.format(**d)