diff --git a/server.py b/server.py
index ea2b067..b9e0635 100644
--- a/server.py
+++ b/server.py
@@ -122,8 +122,9 @@ def main():
               socket.fromfd(sys.stdout.fileno(),
                             socket.AF_INET, socket.SOCK_STREAM))
     handlers.append(mux)
-    routepkt = ''.join('%s,%d\n' % r
-                       for r in routes)
+    routepkt = ''
+    for r in routes:
+        routepkt += '%s,%d\n' % r
     mux.send(0, ssnet.CMD_ROUTES, routepkt)
 
     hw = Hostwatch()
diff --git a/ssnet.py b/ssnet.py
index 55efa04..932fab4 100644
--- a/ssnet.py
+++ b/ssnet.py
@@ -247,7 +247,10 @@ class Mux(Handler):
                 return self.chani
 
     def amount_queued(self):
-        return sum(len(b) for b in self.outbuf)
+        total = 0
+        for b in self.outbuf:
+            total += len(b)
+        return total
             
     def check_fullness(self):
         if self.fullness > 32768: