diff --git a/init/initramfs.c b/init/initramfs.c
index e44f2d9..9ee7b78 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -310,7 +310,8 @@
 			if (wfd >= 0) {
 				sys_fchown(wfd, uid, gid);
 				sys_fchmod(wfd, mode);
-				sys_ftruncate(wfd, body_len);
+				if (body_len)
+					sys_ftruncate(wfd, body_len);
 				vcollected = kstrdup(collected, GFP_KERNEL);
 				state = CopyFile;
 			}