diff --git a/impatient b/impatient
index c5f3bf6..20ac413 100755
--- a/impatient
+++ b/impatient
@@ -41,7 +41,7 @@ def display_timedelta(d):
     if d.days != 0:
         result += '{}d'.format(d.days)
     result += '{}h'.format(d.seconds // 3600)
-    result += '{}m'.format((d.seconds % 3600) // 60)
+    result += '{:02}m'.format((d.seconds % 3600) // 60)
     return result
 
 if args.path: