diff --git a/fs/epfs/file.c b/fs/epfs/file.c
index bdb7bdd04ac84613527651ac303b89f25e56fd09..3c57413b4b06e84305eb59586ab45762c3f06fff 100644
--- a/fs/epfs/file.c
+++ b/fs/epfs/file.c
@@ -295,5 +295,6 @@ const struct file_operations epfs_file_fops = {
 	.unlocked_ioctl = epfs_unlocked_ioctl,
 	.compat_ioctl = epfs_compat_ioctl,
 	.read = epfs_read,
+	.mmap		= generic_file_readonly_mmap,
 	.llseek = generic_file_llseek,
 };