diff --git a/widget/xpwidgets/nsBaseWidget.cpp b/widget/xpwidgets/nsBaseWidget.cpp
index 1e13cb095722..67fd25eff15a 100644
--- a/widget/xpwidgets/nsBaseWidget.cpp
+++ b/widget/xpwidgets/nsBaseWidget.cpp
@@ -845,6 +845,7 @@ void nsBaseWidget::CreateCompositor()
       if (!lf) {
         delete lm;
         mCompositorChild = nsnull;
+        return;
       }
       lf->SetShadowManager(shadowManager);
       lf->SetParentBackendType(LayerManager::LAYERS_OPENGL);