diff --git a/src/od-pandora/gui/PanelDisplay.cpp b/src/od-pandora/gui/PanelDisplay.cpp
index 6acaa931..b0e89763 100644
--- a/src/od-pandora/gui/PanelDisplay.cpp
+++ b/src/od-pandora/gui/PanelDisplay.cpp
@@ -150,6 +150,7 @@ void InitPanelDisplay(const struct _ConfigCategory& category)
   lblFSRatioInfo = new gcn::Label("100%%");
 
   chkAspect = new gcn::UaeCheckBox("4/3 ratio shrink");
+  chkAspect->setId("4by3Ratio");
   chkAspect->addActionListener(amigaScreenActionListener);
 
 #endif