diff --git a/src/format/mod.rs b/src/format/mod.rs
index bd8337ba00..a0ca64b781 100644
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@@ -511,7 +511,7 @@ pub fn format<'a, I>(w: &mut fmt::Formatter, date: Option<&NaiveDate>, time: Opt
                     RFC2822 => // same to `%a, %e %b %Y %H:%M:%S %z`
                         if let (Some(d), Some(t), Some(&(_, off))) = (date, time, off) {
                             let sec = t.second() + t.nanosecond() / 1_000_000_000;
-                            try!(write!(w, "{}, {:2} {} {:04} {:02}:{:02}:{:02} ",
+                            try!(write!(w, "{}, {:02} {} {:04} {:02}:{:02}:{:02} ",
                                         SHORT_WEEKDAYS[d.weekday().num_days_from_monday() as usize],
                                         d.day(), SHORT_MONTHS[d.month0() as usize], d.year(),
                                         t.hour(), t.minute(), sec));