diff --git a/benchmark/classic/benchmark.sh b/benchmark/classic/benchmark.sh
index a09f92e..9cb104a 100644
--- a/benchmark/classic/benchmark.sh
+++ b/benchmark/classic/benchmark.sh
@@ -101,13 +101,13 @@ for function in "${functions[@]}"; do
                 if [[ $* == *"--loadtest"* ]]; then
                     loadtest -k -H "Host: $function.kubeless" --rps $climb_rps -c 1 -t $time -p "$function_firendly".body http://$kuberhost/"$function" >./data/"$function"."$climb_rps".climb.txt
                 else
-                    hey -c 1 -q $climb_rps -z $time -m POST -o csv -host "$function.kubeless" -D "$function_friendly".body -T "application/json" http://$kuberhost/"$function" >./data/"$function"."$climb_rps".climb.csv
+                    hey -c $climb -q $rps -z $time -m POST -o csv -host "$function.kubeless" -D "$function_friendly".body -T "application/json" http://$kuberhost/"$function" >./data/"$function"."$climb_rps".climb.csv
                 fi
             else
                 if [[ $* == *"--loadtest"* ]]; then
                     loadtest -k -H "Host: $function.default.example.com" --rps $climb_rps -c 1 -t $time http://$kuberhost/ >./data/"$function"."$climb_rps".climb.txt
                 else
-                    hey -c 1 -q $climb_rps -z $time -m POST -o csv -host "$function.default.example.com" http://$kuberhost/ >./data/"$function"."$climb_rps".climb.csv
+                    hey -c $climb -q $rps -z $time -m POST -o csv -host "$function.default.example.com" http://$kuberhost/ >./data/"$function"."$climb_rps".climb.csv
                 fi
             fi
             climb=$((climb + 1))