diff --git a/src/server/server.go b/src/server/server.go
index 20e91c0..224c46e 100644
--- a/src/server/server.go
+++ b/src/server/server.go
@@ -246,7 +246,7 @@ func (h *CreateNoteWithFormHandler) ServeHTTP(w http.ResponseWriter, r *http.Req
 		}
 
 		h.logger.Debug("checking file content type")
-		if handler.Header.Get("Content-Type") != "text/plain" {
+		if !strings.HasPrefix(handler.Header.Get("Content-Type"), "text/") {
 			h.PageData.Err = fmt.Errorf("text file expected (got %s)", handler.Header.Get("Content-Type"))
 			h.Templates.ExecuteTemplate(w, templateName, h.PageData)
 			return