diff --git a/lib/util/dif.c b/lib/util/dif.c
index c3d323665..337aa6ed5 100644
--- a/lib/util/dif.c
+++ b/lib/util/dif.c
@@ -89,7 +89,7 @@ _dif_sgl_get_buf(struct _dif_sgl *s, void **_buf, uint32_t *_buf_len)
 static void
 _dif_sgl_fast_forward(struct _dif_sgl *s, uint32_t offset)
 {
-	s->iov_offset = offset;
+	s->iov_offset += offset;
 	while (s->iovcnt != 0) {
 		if (s->iov_offset < s->iov->iov_len) {
 			break;