diff --git a/ipc/glue/WindowsMessageLoop.cpp b/ipc/glue/WindowsMessageLoop.cpp
index 0a30210239e..627a95c3b21 100644
--- a/ipc/glue/WindowsMessageLoop.cpp
+++ b/ipc/glue/WindowsMessageLoop.cpp
@@ -210,6 +210,7 @@ ProcessOrDeferMessage(HWND hwnd,
     case WM_PARENTNOTIFY:
     case WM_SETFOCUS:
     case WM_SYSCOMMAND:
+    case WM_DISPLAYCHANGE:
     case WM_SHOWWINDOW: // Intentional fall-through.
     case WM_XP_THEMECHANGED: {
       deferred = new DeferredSendMessage(hwnd, uMsg, wParam, lParam);