diff --git a/widget/src/gtk/nsTabWidget.cpp b/widget/src/gtk/nsTabWidget.cpp
index af688cc4fdc..67d9080e2cf 100644
--- a/widget/src/gtk/nsTabWidget.cpp
+++ b/widget/src/gtk/nsTabWidget.cpp
@@ -116,3 +116,9 @@ PRBool nsTabWidget::OnResize(nsRect &aWindowRect)
 {
     return PR_FALSE;
 }
+
+NS_METHOD nsTabWidget::GetBounds(nsRect &aRect)
+{
+  return nsWidget::GetBounds(aRect);
+}
+