diff --git a/benchmark/classic/benchmark.sh b/benchmark/classic/benchmark.sh
index 2812125..d88390e 100644
--- a/benchmark/classic/benchmark.sh
+++ b/benchmark/classic/benchmark.sh
@@ -36,7 +36,7 @@ do
     echo -e "Benchmarking $function\n"
     echo -e "Output of $function is:\n"
     perl -pi -e 'chomp if eof' "$function_friendly".body
-    if [[ $kubeless ]]
+    if $kubeless;
     then
         curl --data-binary @"$function_friendly".body --header "Host: $function.kubeless" --header "Content-Type:application/json" http://$kuberhost/"$function"
     else
@@ -52,7 +52,7 @@ do
                 now=$(date '+%Y-%m-%d-%H-%M')
                 echo -e "Connections: $wave_connection"
                 echo -e "Running"
-                if [[ $kubeless ]]
+                if $kubeless;
                 then
                     hey -c $wave_connection -z $wave_time -m POST -o csv -host "$function.kubeless" -D "$function_friendly".body  -T "application/json" http://$kuberhost/"$function" > ./data/"$function"."$wave_num".wave.csv
                 else
@@ -98,7 +98,7 @@ do
                     if [[ $* = *"--hey"* ]]
                     then
                         echo -e "hey-summary $datetime\n"
-                        if [[ $kubeless ]]
+                        if $kubeless;
                         then
                             hey -c "$connection" -z "$time" -m POST -host "$function.kubeless" -D "$function_firendly".body  -T "application/json" http://$kuberhost/"$function" > ./data/"$function"."$connection"."$time"."$datetime".hey.txt
                         else
@@ -108,7 +108,7 @@ do
                     if [[ $* = *"--csv"* ]]
                     then
                         echo -e "hey-csv $datetime\n"
-                        if [[ $kubeless ]]
+                        if $kubeless;
                         then
                             hey -c "$connection" -z "$time" -m POST -host "$function.kubeless" -D "$function_firendly".body  -T "application/json" http://$kuberhost/"$function" > ./data/"$function"."$connection"."$time"."$datetime".hey.txt
                         else
@@ -120,12 +120,12 @@ do
                         for num in 1 2 3 4 5 6 7 8 9 10
                         do
                             echo -e "hey-for $num\n"
-                            if [[ $kubeless ]]
-                        then
-                            hey -c "$connection" -z "$time" -m POST -o csv -host "$function.kubeless" -D "$function_friendly".body  -T "application/json" http://$kuberhost/"$function" > ./data/"$function"."$num".csv
-                        else
-                            hey -c "$connection" -z "$time" -m POST -o csv -host "$function.default.example.com" http://$kuberhost/ > ./data/"$function"."$num".csv
-                        fi
+                            if $kubeless;
+                            then
+                                hey -c "$connection" -z "$time" -m POST -o csv -host "$function.kubeless" -D "$function_friendly".body  -T "application/json" http://$kuberhost/"$function" > ./data/"$function"."$num".csv
+                            else
+                                hey -c "$connection" -z "$time" -m POST -o csv -host "$function.default.example.com" http://$kuberhost/ > ./data/"$function"."$num".csv
+                            fi
                         done
                     fi
                     echo -e "Finished at $datetime"
@@ -137,7 +137,7 @@ do
         while [[ $climb_connection -lt $climb_max ]]; do
                 echo -e "Connections: $wave_connection"
                 echo -e "Running"
-                if [[ $kubeless ]]
+                if $kubeless;
                 then
                     hey -c $climb_connection -z $time -m POST -o csv -host "$function.kubeless" -D "$function_friendly".body  -T "application/json" http://$kuberhost/"$function" > ./data/"$function"."$climb_connection".wave.csv
                 else