diff --git a/src/unix-manager.c b/src/unix-manager.c
index 9fb5bd7935..df53f3c2f2 100644
--- a/src/unix-manager.c
+++ b/src/unix-manager.c
@@ -300,7 +300,7 @@ static int UnixCommandSendJSONToClient(UnixClient *client, json_t *js)
         if (MEMBUFFER_OFFSET(client->mbuf) + 1 >= MEMBUFFER_SIZE(client->mbuf)) {
             MemBufferExpand(&client->mbuf, 1);
         }
-        MemBufferWriteRaw(client->mbuf, "\n", 1);
+        MemBufferWriteString(client->mbuf, "\n");
     }
 
     if (send(client->fd, (const char *)MEMBUFFER_BUFFER(client->mbuf),