diff --git a/include/server/api/parsed_url.hpp b/include/server/api/parsed_url.hpp
index 501e4b6e7..2f76c0c93 100644
--- a/include/server/api/parsed_url.hpp
+++ b/include/server/api/parsed_url.hpp
@@ -27,6 +27,11 @@ struct ParsedURL final
 } // server
 } // osrm
 
-BOOST_FUSION_ADAPT_STRUCT(osrm::server::api::ParsedURL, service, version, profile, query)
+BOOST_FUSION_ADAPT_STRUCT(osrm::server::api::ParsedURL,
+    (std::string, service),
+    (unsigned, version),
+    (std::string, profile),
+    (std::string, query)
+)
 
 #endif
diff --git a/src/server/api/url_parser.cpp b/src/server/api/url_parser.cpp
index 964dfb29f..0c6945914 100644
--- a/src/server/api/url_parser.cpp
+++ b/src/server/api/url_parser.cpp
@@ -62,7 +62,7 @@ boost::optional<ParsedURL> parseURL(std::string::iterator &iter, const std::stri
 {
     using It = std::decay<decltype(iter)>::type;
 
-    static URLParser<It, ParsedURL> const parser;
+    static URLParser<It, ParsedURL()> const parser;
     ParsedURL out;
 
     const auto ok = boost::spirit::qi::parse(iter, end, parser, out);