diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 0a3ee5a..5574ba3 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -103,7 +103,7 @@
 		       unsigned int command, unsigned long arg);
 
 #ifdef CONFIG_CIFS_EXPERIMENTAL
-extern struct export_operations cifs_export_ops;
+extern const struct export_operations cifs_export_ops;
 #endif /* EXPERIMENTAL */
 
 #define CIFS_VERSION   "1.51"