diff --git a/localization.go b/localization.go
index 391d7a9..db4a9fb 100644
--- a/localization.go
+++ b/localization.go
@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"errors"
 	"io/ioutil"
-	"net/http"
 	"strings"
 	"sync"
 )
@@ -72,20 +71,19 @@ func (d *Dictionary) GetDefaultLocale() string {
 	return d.defaultLocale
 }
 
-func (d *Dictionary) GetBestMatchLocale(req *http.Request) (best string) {
-	accepted := d.parseAcceptedLanguageHeader(req)
+func (d *Dictionary) GetBestMatchLocale(acceptedLanguages string) (best string) {
+	accepted := d.parseAcceptedLanguageHeader(acceptedLanguages)
 	best = accepted[0]
 	return
 }
 
-func (d *Dictionary) parseAcceptedLanguageHeader(req *http.Request) (langs []string) {
-	a := req.Header.Get("Accepted-Language")
-	if a == "" {
+func (d *Dictionary) parseAcceptedLanguageHeader(acceptedLanguages string) (langs []string) {
+	if acceptedLanguages == "" {
 		langs = append(langs, d.GetDefaultLocale())
 		return
 	}
 
-	parts := strings.Split(a, ",")
+	parts := strings.Split(acceptedLanguages, ",")
 	for _, p := range parts {
 		langs = append(langs, p)
 	}