diff --git a/src/pty.c b/src/pty.c
index 61d6b6c..bcd7e16 100644
--- a/src/pty.c
+++ b/src/pty.c
@@ -367,7 +367,7 @@ static int send_buf(struct kmscon_pty *pty)
 	size_t len;
 	int ret;
 
-	while ((buf = shl_ring_peek(pty->msgbuf, &len))) {
+	while ((buf = shl_ring_peek(pty->msgbuf, &len, 0))) {
 		ret = write(pty->fd, buf, len);
 		if (ret > 0) {
 			shl_ring_drop(pty->msgbuf, ret);
diff --git a/src/shl_ring.h b/src/shl_ring.h
index d668ab6..5e6622f 100644
--- a/src/shl_ring.h
+++ b/src/shl_ring.h
@@ -131,13 +131,30 @@ next:
 	return 0;
 }
 
-static inline const char *shl_ring_peek(struct shl_ring *ring, size_t *len)
+static inline const char *shl_ring_peek(struct shl_ring *ring, size_t *len,
+					size_t offset)
 {
-	if (!ring || !ring->first)
-		return NULL;
+	struct shl_ring_entry *iter;
 
-	*len = ring->first->len;
-	return ring->first->buf;
+	if (!ring || !ring->first || !len) {
+		if (len)
+			*len = 0;
+		return NULL;
+	}
+
+	iter = ring->first;
+	while (iter->len <= offset) {
+		if (!iter->next) {
+			*len = 0;
+			return NULL;
+		}
+
+		offset -= iter->len;
+		iter = iter->next;
+	}
+
+	*len = ring->first->len - offset;
+	return &ring->first->buf[offset];
 }
 
 static inline void shl_ring_drop(struct shl_ring *ring, size_t len)