http://yum.baseurl.org/gitweb?p=urlgrabber.git;a=commitdiff;h=f4e57ece7ded0f7ad83c8a40fe8423fab7812264
http://yum.baseurl.org/gitweb?p=urlgrabber.git;a=commitdiff;h=89cc380a2a251a1d2d8b91cf6df170fa546597aa

diff --git a/urlgrabber/grabber.py b/urlgrabber/grabber.py
index f98f423..7b7f979 100644
--- a/urlgrabber/grabber.py
+++ b/urlgrabber/grabber.py
@@ -1532,11 +1589,14 @@
     def _over_max_size(self, cur, max_size=None):
 
         if not max_size:
-            max_size = self.size
-        if self.opts.size: # if we set an opts size use that, no matter what
-            max_size = self.opts.size
+            if not self.opts.size:
+                max_size = self.size
+            else:
+                max_size = self.opts.size
+
         if not max_size: return False # if we have None for all of the Max then this is dumb
-        if cur > max_size + max_size*.10:
+
+        if cur > int(float(max_size) * 1.10):
 
             msg = _("Downloaded more than max size for %s: %s > %s") \
                         % (self.url, cur, max_size)
