exe/benchmark_driver in benchmark_driver-0.2.0 vs exe/benchmark_driver in benchmark_driver-0.2.1

@@ -14,10 +14,10 @@
       options[:execs] << path
     end
   end
   o.on('-i [DURATION]', '--ips [SECONDS]', "Measure IPS in duration seconds (default: #{BenchmarkDriver::DEFAULT_IPS_DURATION})") do |i|
     options[:measure_type] = 'ips'
-    options[:measure_num]  = i if i
+    options[:measure_num]  = Integer(i) if i
   end
   o.on('-l [COUNT]', '--loop-count [COUNT]', "Measure execution time with loop count (default: #{BenchmarkDriver::DEFAULT_LOOP_COUNT})") do |l|
     options[:measure_type] = 'loop_count'
     options[:measure_num]  = l if l
   end