diff --git a/mozilla/modules/plugin/samples/default/unix/nullplugin.c b/mozilla/modules/plugin/samples/default/unix/nullplugin.c
index 7388ea31cb9..9134dc15706 100644
--- a/mozilla/modules/plugin/samples/default/unix/nullplugin.c
+++ b/mozilla/modules/plugin/samples/default/unix/nullplugin.c
@@ -467,7 +467,10 @@ xt_event_handler(Widget xt_w, PluginInstance *This, XEvent *xevent, Boolean *b)
             drawPixmap(This);
             break;
         case ButtonRelease:
-            makeWidget(This);
+            if (xevent->xbutton.button == Button1)
+            {
+                makeWidget(This);
+            } 
             break;
         default:
             break;