diff --git a/src/styleengine.cc b/src/styleengine.cc
index 1c4462b..f0f73df 100644
--- a/src/styleengine.cc
+++ b/src/styleengine.cc
@@ -1074,11 +1074,11 @@ void StyleEngine::init () {
 }
 
 void StyleEngine::buildUserStyle () {
-   char *filename = dStrconcat(dGethomedir(), "/.flenser/style.css", NULL);
+   using namespace std::literals::string_literals;
+   std::string filename = dGethomedir() + "/.flenser/style.css"s;
 
-   const std::string style= a_Misc_file2dstr(filename);
+   const std::string style= a_Misc_file2dstr(filename.c_str());
    if (not style.empty()) {
       CssParser::parse (NULL,NULL,cssContext, style.c_str(), style.size(), CSS_ORIGIN_USER);
    }
-   dFree (filename);
 }