diff --git a/yasnippet.el b/yasnippet.el
index fec0983..065e709 100644
--- a/yasnippet.el
+++ b/yasnippet.el
@@ -4076,12 +4076,13 @@ Returns the newly created snippet."
       (yas--letenv expand-env
         ;; Put a single undo action for the expanded snippet's
         ;; content.
-        (let ((buffer-undo-list t))
+        (let ((buffer-undo-list t)
+              (inhibit-modification-hooks t))
           ;; Some versions of cc-mode fail when inserting snippet
           ;; content in a narrowed buffer, so make sure to insert
           ;; before narrowing.  Furthermore, call before and after
-          ;; change functions, otherwise cc-mode's cache can get
-          ;; messed up.
+          ;; change functions manually, otherwise cc-mode's cache can
+          ;; get messed up.
           (goto-char begin)
           (run-hook-with-args 'before-change-functions begin begin)
           (insert content)