diff --git a/src/tools/routed.cpp b/src/tools/routed.cpp
index 17288f83b..8f58ed473 100644
--- a/src/tools/routed.cpp
+++ b/src/tools/routed.cpp
@@ -135,8 +135,8 @@ inline unsigned generateServerProgramOptions(const int argc,
          value<int>(&config.max_alternatives)->default_value(3),
          "Max. number of alternatives supported in the MLD route query") //
         ("max-matching-radius",
-         value<double>(&config.max_radius_map_matching)->default_value(5),
-         "Max. radius size supported in map matching query");
+         value<double>(&config.max_radius_map_matching)->default_value(-1.0),
+         "Max. radius size supported in map matching query. Default: unlimited.");
 
     // hidden options, will be allowed on command line, but will not be shown to the user
     boost::program_options::options_description hidden_options("Hidden options");