diff --git a/TestON/tests/FUNCflow/FUNCflow.topo b/TestON/tests/FUNCflow/FUNCflow.topo
index 9ea3d19..3bab2f1 100755
--- a/TestON/tests/FUNCflow/FUNCflow.topo
+++ b/TestON/tests/FUNCflow/FUNCflow.topo
@@ -8,6 +8,7 @@
             <type>OnosDriver</type>
             <connect_order>1</connect_order>
             <COMPONENTS>
+                <nodes>3</nodes>
             </COMPONENTS>
         </ONOSbench>