diff --git a/TestON/tests/USECASE/USECASE_SdnipFunctionCluster_fsfw/USECASE_SdnipFunctionCluster_fsfw.py b/TestON/tests/USECASE/USECASE_SdnipFunctionCluster_fsfw/USECASE_SdnipFunctionCluster_fsfw.py
index da4269a..5197ba6 100644
--- a/TestON/tests/USECASE/USECASE_SdnipFunctionCluster_fsfw/USECASE_SdnipFunctionCluster_fsfw.py
+++ b/TestON/tests/USECASE/USECASE_SdnipFunctionCluster_fsfw/USECASE_SdnipFunctionCluster_fsfw.py
@@ -94,7 +94,7 @@
         cellAppString = main.params[ 'ENV' ][ 'appString' ]
         main.ONOSbench.createCellFile( main.ONOSbench.ip_address, cellName,
                                        main.Mininet.ip_address,
-                                       cellAppString, ipList, main.ONOScli1.user_name )
+                                       cellAppString, ipList, main.ONOScli1.karafUser )
 
         main.step( "Applying cell variable to environment" )
         cellResult = main.ONOSbench.setCell( cellName )