diff --git a/gdk/wayland/gdkselection-wayland.c b/gdk/wayland/gdkselection-wayland.c
index 008778292a..12737d672e 100644
--- a/gdk/wayland/gdkselection-wayland.c
+++ b/gdk/wayland/gdkselection-wayland.c
@@ -245,7 +245,7 @@ selection_buffer_read_cb (GObject      *object,
 
   if (bytes)
     {
-      finished = g_bytes_get_size (bytes) < get_buffer_size ();
+      finished = g_bytes_get_size (bytes) == 0;
       selection_buffer_append_data (buffer,
                                     g_bytes_get_data (bytes, NULL),
                                     g_bytes_get_size (bytes));