diff --git a/fs/splice.c b/fs/splice.c
index 1bbc6f4..a1e701c 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -898,6 +898,9 @@
 	if (unlikely(!(out->f_mode & FMODE_WRITE)))
 		return -EBADF;
 
+	if (unlikely(out->f_flags & O_APPEND))
+		return -EINVAL;
+
 	ret = rw_verify_area(WRITE, out, ppos, len);
 	if (unlikely(ret < 0))
 		return ret;