diff --git a/web/history.go b/web/history.go
index 681a1f6..d6ae80e 100644
--- a/web/history.go
+++ b/web/history.go
@@ -61,26 +61,26 @@ func handlerRecentChanges(w http.ResponseWriter, rq *http.Request) {
 }
 
 // genericHandlerOfFeeds is a helper function for the web feed handlers.
-func genericHandlerOfFeeds(w http.ResponseWriter, rq *http.Request, f func() (string, error), name string) {
+func genericHandlerOfFeeds(w http.ResponseWriter, rq *http.Request, f func() (string, error), name string, contentType string) {
 	if content, err := f(); err != nil {
 		w.Header().Set("Content-Type", "text/plain;charset=utf-8")
 		w.WriteHeader(http.StatusInternalServerError)
 		fmt.Fprint(w, "An error while generating "+name+": "+err.Error())
 	} else {
-		w.Header().Set("Content-Type", "application/rss+xml")
+		w.Header().Set("Content-Type", fmt.Sprintf("%s;charset=utf-8", contentType))
 		w.WriteHeader(http.StatusOK)
 		fmt.Fprint(w, content)
 	}
 }
 
 func handlerRecentChangesRSS(w http.ResponseWriter, rq *http.Request) {
-	genericHandlerOfFeeds(w, rq, history.RecentChangesRSS, "RSS")
+	genericHandlerOfFeeds(w, rq, history.RecentChangesRSS, "RSS", "application/rss+xml")
 }
 
 func handlerRecentChangesAtom(w http.ResponseWriter, rq *http.Request) {
-	genericHandlerOfFeeds(w, rq, history.RecentChangesAtom, "Atom")
+	genericHandlerOfFeeds(w, rq, history.RecentChangesAtom, "Atom", "application/atom+xml")
 }
 
 func handlerRecentChangesJSON(w http.ResponseWriter, rq *http.Request) {
-	genericHandlerOfFeeds(w, rq, history.RecentChangesJSON, "JSON feed")
+	genericHandlerOfFeeds(w, rq, history.RecentChangesJSON, "JSON feed", "application/json")
 }