diff --git a/CHANGELOG b/CHANGELOG
index 8c0132c..b2915fc 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -21,6 +21,7 @@ Version 0.7.1   - UNRELEASED
     deprecated; it will be removed from later versions. 
   * Expand tilde in argument of long option --pwfile. (Thanks Christian
     Brabandt) Closes: Debian bug #434813
+  * archivemail now accepts --days=0 
 
 Version 0.7.0   - 2 November 2006
   * Fixed long options --filter-append and --pwfile to accept their arguments.
diff --git a/archivemail.py b/archivemail.py
index b52187e..5bdd722 100755
--- a/archivemail.py
+++ b/archivemail.py
@@ -275,8 +275,8 @@ class Options:
         """Complain bitterly about our options now rather than later"""
         if self.output_dir:
             check_sane_destdir(self.output_dir)
-        if self.days_old_max < 1:
-            user_error("--days argument must be greater than zero")
+        if self.days_old_max < 0:
+            user_error("--days argument must be positive")
         if self.days_old_max >= 10000:
             user_error("--days argument must be less than 10000")
         if self.min_size is not None and self.min_size < 1: