diff --git a/reader.go b/reader.go
index d1004e7..b4dbf35 100644
--- a/reader.go
+++ b/reader.go
@@ -91,7 +91,7 @@ func readHandler(coll *mgo.Collection) func(http.ResponseWriter, *http.Request)
 			return
 		}
 
-		if ext == "html" || ext == "htm" {
+		if ext == "html" || ext == "htm" || ext == "xhtml" {
 			var data readData
 			data.S = GetStatus(w, r)
 			data.Book = book