diff --git a/widget/gtk/nsClipboardWayland.cpp b/widget/gtk/nsClipboardWayland.cpp
--- a/widget/gtk/nsClipboardWayland.cpp
+++ b/widget/gtk/nsClipboardWayland.cpp
@@ -201,21 +201,25 @@ WaylandDataOffer::DragOfferAccept(const 
 }
 
 /* We follow logic of gdk_wayland_drag_context_commit_status()/gdkdnd-wayland.c
  * here.
  */
 void
 WaylandDataOffer::SetDragStatus(GdkDragAction aAction, uint32_t aTime)
 {
-    uint32_t dnd_actions = gdk_to_wl_actions(aAction);
     uint32_t all_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY |
                            WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE;
 
-    wl_data_offer_set_actions(mWaylandDataOffer, all_actions, dnd_actions);
+    /* Default Firefox D&D action is move so set it here as a preferred one.
+       Actual D&D action will be select by Wayland compositor and reported
+       at data_offer_action() callback.
+    */
+    wl_data_offer_set_actions(mWaylandDataOffer, all_actions,
+                              WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE);
 
     /* Workaround Wayland D&D architecture here. To get the data_device_drop()
        signal (which routes to nsDragService::GetData() call) we need to
        accept at least one mime type before data_device_leave().
 
        Real wl_data_offer_accept() for actualy requested data mime type is
        called from nsDragService::GetData().
     */