diff --git a/redbot/core/commands/converter.py b/redbot/core/commands/converter.py
index 3acacbdfa..015a4c079 100644
--- a/redbot/core/commands/converter.py
+++ b/redbot/core/commands/converter.py
@@ -151,13 +151,19 @@ def parse_timedelta(
             raise BadArgument(
                 _(
                     "This amount of time is too large for this command. (Maximum: {maximum})"
-                ).format(maximum=humanize_timedelta(timedelta=maximum))
+                ).format(
+                    maximum=humanize_timedelta(seconds=math.floor(maximum.total_seconds()))
+                    or _("0 seconds")
+                )
             )
         if delta < minimum:
             raise BadArgument(
                 _(
                     "This amount of time is too small for this command. (Minimum: {minimum})"
-                ).format(minimum=humanize_timedelta(timedelta=minimum))
+                ).format(
+                    minimum=humanize_timedelta(seconds=math.ceil(minimum.total_seconds()))
+                    or _("0 seconds")
+                )
             )
         return delta
     return None