diff --git a/fsharp-mode.el b/fsharp-mode.el
index 41199e6..82bd5d8 100644
--- a/fsharp-mode.el
+++ b/fsharp-mode.el
@@ -113,8 +113,9 @@
       (define-key map [eval-phrase] '("Eval phrase" . fsharp-eval-phrase)))))
 
 ;;;###autoload
-(add-to-list 'auto-mode-alist '("\\.fs[iylx]?\\'" . fsharp-mode))
-(add-to-list 'auto-mode-alist '("\\.fsproj\\'" . nxml-mode))
+(progn
+  (add-to-list 'auto-mode-alist '("\\.fs[iylx]?\\'" . fsharp-mode))
+  (add-to-list 'auto-mode-alist '("\\.fsproj\\'" . nxml-mode)))
 
 (defvar fsharp-mode-syntax-table nil
   "Syntax table in use in fsharp mode buffers.")