1 files changed, 12 insertions, 11 deletions

diff --git a/lisp/progmodes/cc-mode.el b/lisp/progmodes/cc-mode.el
index 435d5291322..40e5a3107a8 100644
--- a/lisp/progmodes/cc-mode.el
+++ b/lisp/progmodes/cc-mode.el
@@ -391,17 +391,18 @@ it finds in `c-file-offsets'.
 
 Note that the style variables are always made local to the buffer."
   ;; apply file styles and offsets
-  (if (or c-file-style c-file-offsets)
-      (c-make-styles-buffer-local t))
-  (and c-file-style
-       (c-set-style c-file-style))
-  (and c-file-offsets
-       (mapcar
-        (lambda (langentry)
-          (let ((langelem (car langentry))
-                (offset (cdr langentry)))
-            (c-set-offset langelem offset)))
-        c-file-offsets)))
+  (when c-buffer-is-cc-mode
+    (if (or c-file-style c-file-offsets)
+        (c-make-styles-buffer-local t))
+    (and c-file-style
+         (c-set-style c-file-style))
+    (and c-file-offsets
+         (mapcar
+          (lambda (langentry)
+            (let ((langelem (car langentry))
+                  (offset (cdr langentry)))
+              (c-set-offset langelem offset)))
+          c-file-offsets))))
 
 (add-hook 'hack-local-variables-hook 'c-postprocess-file-styles)