1 files changed, 2 insertions, 2 deletions
diff --git a/main.go b/main.go
index 9af89eb..2b531a9 100644
--- a/main.go
+++ b/main.go
@@ -110,7 +110,7 @@ func (s *Server) randomFile(ext string) (*os.File, string, error) {
 
 func (s *Server) createPosting(rd io.Reader, mimeType string) (string, error) {
 	var ext string
-	if mimeType == "" || mimeType == "auto" {
+	if mimeType == "" {
 		mimeType, ext, rd, _ = detectMimetype(rd)
 	} else {
 		mime := mimetype.Lookup(mimeType)
@@ -215,7 +215,7 @@ func (s *Server) post(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusFound)
 	} else {
 		if mimeType == "application/x-www-form-urlencoded" {
-			mimeType = "auto"
+			mimeType = ""
 		}
 		name, err := s.createPosting(r.Body, mimeType)
 		if err != nil {