diff --git a/mininet/net.py b/mininet/net.py
index 2b3ce04..36b4ee2 100755
--- a/mininet/net.py
+++ b/mininet/net.py
@@ -507,7 +507,7 @@ class Mininet( object ):
                     output( ( '%s ' % dest.name ) if received else 'X ' )
             output( '\n' )
         if packets > 0:
-            ploss = 100 * lost / packets
+            ploss = float(100) * lost / packets
             received = packets - lost
             output( "*** Results: %i%% dropped (%d/%d received)\n" %
                     ( ploss, received, packets ) )