diff --git a/include/http_utility.hpp b/include/http_utility.hpp
index 119a1ee..ef65e23 100644
--- a/include/http_utility.hpp
+++ b/include/http_utility.hpp
@@ -5,9 +5,8 @@
 
 namespace http_helpers
 {
-inline bool requestPrefersHtml(const crow::Request& req)
+inline bool requestPrefersHtml(std::string_view header)
 {
-    std::string_view header = req.getHeaderValue("accept");
     std::vector<std::string> encodings;
     // chrome currently sends 6 accepts headers, firefox sends 4.
     encodings.reserve(6);