diff --git a/src/bench/bench_bitcoin.cpp b/src/bench/bench_bitcoin.cpp
index b69a822b7..2f8579503 100644
--- a/src/bench/bench_bitcoin.cpp
+++ b/src/bench/bench_bitcoin.cpp
@@ -1,118 +1,122 @@
 // Copyright (c) 2015-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <bench/bench.h>
 
 #include <crypto/sha256.h>
 #include <key.h>
 #include <random.h>
 #include <util.h>
+#include <utilstrencodings.h>
 #include <validation.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include <memory>
 
 static const int64_t DEFAULT_BENCH_EVALUATIONS = 5;
 static const char *DEFAULT_BENCH_FILTER = ".*";
 static const char *DEFAULT_BENCH_SCALING = "1.0";
 static const char *DEFAULT_BENCH_PRINTER = "console";
 static const char *DEFAULT_PLOT_PLOTLYURL =
     "https://cdn.plot.ly/plotly-latest.min.js";
 static const int64_t DEFAULT_PLOT_WIDTH = 1024;
 static const int64_t DEFAULT_PLOT_HEIGHT = 768;
 
 static void SetupBenchArgs() {
     gArgs.AddArg("-?", _("Print this help message and exit"), false,
                  OptionsCategory::OPTIONS);
     gArgs.AddArg("-list",
                  _("List benchmarks without executing them. Can be combined "
                    "with -scaling and -filter"),
                  false, OptionsCategory::OPTIONS);
     gArgs.AddArg(
         "-evals=<n>",
         strprintf(
             _("Number of measurement evaluations to perform. (default: %u)"),
             DEFAULT_BENCH_EVALUATIONS),
         false, OptionsCategory::OPTIONS);
     gArgs.AddArg("-filter=<regex>",
                  strprintf(_("Regular expression filter to select benchmark by "
                              "name (default: %s)"),
                            DEFAULT_BENCH_FILTER),
                  false, OptionsCategory::OPTIONS);
     gArgs.AddArg(
         "-scaling=<n>",
         strprintf(_("Scaling factor for benchmark's runtime (default: %u)"),
                   DEFAULT_BENCH_SCALING),
         false, OptionsCategory::OPTIONS);
     gArgs.AddArg(
         "-printer=(console|plot)",
         strprintf(_("Choose printer format. console: print data to console. "
                     "plot: Print results as HTML graph (default: %s)"),
                   DEFAULT_BENCH_PRINTER),
         false, OptionsCategory::OPTIONS);
     gArgs.AddArg("-plot-plotlyurl=<uri>",
                  strprintf(_("URL to use for plotly.js (default: %s)"),
                            DEFAULT_PLOT_PLOTLYURL),
                  false, OptionsCategory::OPTIONS);
     gArgs.AddArg(
         "-plot-width=<x>",
         strprintf(_("Plot width in pixel (default: %u)"), DEFAULT_PLOT_WIDTH),
         false, OptionsCategory::OPTIONS);
     gArgs.AddArg(
         "-plot-height=<x>",
         strprintf(_("Plot height in pixel (default: %u)"), DEFAULT_PLOT_HEIGHT),
         false, OptionsCategory::OPTIONS);
 
     // Hidden
     gArgs.AddArg("-h", "", false, OptionsCategory::HIDDEN);
     gArgs.AddArg("-help", "", false, OptionsCategory::HIDDEN);
 }
 
 int main(int argc, char **argv) {
     SetupBenchArgs();
     std::string error;
     if (!gArgs.ParseParameters(argc, argv, error)) {
         fprintf(stderr, "Error parsing command line arguments: %s\n",
                 error.c_str());
         return EXIT_FAILURE;
     }
 
     if (HelpRequested(gArgs)) {
         std::cout << gArgs.GetHelpMessage();
         return EXIT_SUCCESS;
     }
 
     SHA256AutoDetect();
     RandomInit();
     ECC_Start();
     SetupEnvironment();
 
     // don't want to write to debug.log file
     GetLogger().m_print_to_file = false;
 
     int64_t evaluations = gArgs.GetArg("-evals", DEFAULT_BENCH_EVALUATIONS);
     std::string regex_filter = gArgs.GetArg("-filter", DEFAULT_BENCH_FILTER);
     std::string scaling_str = gArgs.GetArg("-scaling", DEFAULT_BENCH_SCALING);
     bool is_list_only = gArgs.GetBoolArg("-list", false);
 
-    double scaling_factor = boost::lexical_cast<double>(scaling_str);
+    double scaling_factor;
+    if (!ParseDouble(scaling_str, &scaling_factor)) {
+        fprintf(stderr, "Error parsing scaling factor as double: %s\n",
+                scaling_str.c_str());
+        return EXIT_FAILURE;
+    }
 
     std::unique_ptr<benchmark::Printer> printer(
         new benchmark::ConsolePrinter());
     std::string printer_arg = gArgs.GetArg("-printer", DEFAULT_BENCH_PRINTER);
     if ("plot" == printer_arg) {
         printer.reset(new benchmark::PlotlyPrinter(
             gArgs.GetArg("-plot-plotlyurl", DEFAULT_PLOT_PLOTLYURL),
             gArgs.GetArg("-plot-width", DEFAULT_PLOT_WIDTH),
             gArgs.GetArg("-plot-height", DEFAULT_PLOT_HEIGHT)));
     }
 
     benchmark::BenchRunner::RunAll(*printer, evaluations, scaling_factor,
                                    regex_filter, is_list_only);
 
     ECC_Stop();
 
     return EXIT_SUCCESS;
 }