diff --git a/examples/multitest.py b/examples/multitest.py
index bcb40f7..b50acb2 100755
--- a/examples/multitest.py
+++ b/examples/multitest.py
@@ -22,7 +22,7 @@ if __name__ == '__main__':
     info( "*** Initializing Mininet and kernel modules\n" )
     OVSKernelSwitch.setup()
     info( "*** Creating network\n" )
-    network = Mininet( TreeTopo( depth=2, fanout=2 ), switch=OVSKernelSwitch)
+    network = Mininet( TreeTopo( depth=2, fanout=2 ), switch=OVSKernelSwitch )
     info( "*** Starting network\n" )
     network.start()
     info( "*** Running ping test\n" )