diff --git a/include/server/api/base_parameters_grammar.hpp b/include/server/api/base_parameters_grammar.hpp
index 420934b1d..50bae61c0 100644
--- a/include/server/api/base_parameters_grammar.hpp
+++ b/include/server/api/base_parameters_grammar.hpp
@@ -48,7 +48,7 @@ struct BaseParametersGrammar : boost::spirit::qi::grammar<std::string::iterator>
             }
             base_parameters.bearings.push_back(std::move(bearing));
         };
-        const auto set_radiuses = [this](RadiusesT &radiuses)
+        const auto set_radiuses = [this](RadiusesT radiuses)
         {
             base_parameters.radiuses = std::move(radiuses);
         };
diff --git a/include/server/api/match_parameter_grammar.hpp b/include/server/api/match_parameter_grammar.hpp
index 7628e871a..19cdfab74 100644
--- a/include/server/api/match_parameter_grammar.hpp
+++ b/include/server/api/match_parameter_grammar.hpp
@@ -56,7 +56,7 @@ struct MatchParametersGrammar final : public BaseParametersGrammar
         {
             parameters.steps = steps;
         };
-        const auto set_timestamps = [this](TimestampsT &timestamps)
+        const auto set_timestamps = [this](TimestampsT timestamps)
         {
             parameters.timestamps = std::move(timestamps);
         };
diff --git a/include/server/api/route_parameters_grammar.hpp b/include/server/api/route_parameters_grammar.hpp
index d85d43514..4d23165c0 100644
--- a/include/server/api/route_parameters_grammar.hpp
+++ b/include/server/api/route_parameters_grammar.hpp
@@ -60,7 +60,7 @@ struct RouteParametersGrammar : public BaseParametersGrammar
         {
             parameters.alternatives = alternatives;
         };
-        const auto set_uturns = [this](UturnsT &uturns)
+        const auto set_uturns = [this](UturnsT uturns)
         {
             parameters.uturns = std::move(uturns);
         };
diff --git a/include/server/api/table_parameter_grammar.hpp b/include/server/api/table_parameter_grammar.hpp
index d5acb04de..46eb29652 100644
--- a/include/server/api/table_parameter_grammar.hpp
+++ b/include/server/api/table_parameter_grammar.hpp
@@ -28,11 +28,11 @@ struct TableParametersGrammar final : public BaseParametersGrammar
 
     TableParametersGrammar() : BaseParametersGrammar(root_rule, parameters)
     {
-        const auto set_destiantions = [this](DestinationsT &dests)
+        const auto set_destiantions = [this](DestinationsT dests)
         {
             parameters.destinations = std::move(dests);
         };
-        const auto set_sources = [this](SourcesT &sources)
+        const auto set_sources = [this](SourcesT sources)
         {
             parameters.sources = std::move(sources);
         };