diff --git a/lib/WebGUI/Form/RadioList.pm b/lib/WebGUI/Form/RadioList.pm
index 311db7556..b0d289bdc 100644
--- a/lib/WebGUI/Form/RadioList.pm
+++ b/lib/WebGUI/Form/RadioList.pm
@@ -83,6 +83,9 @@ sub definition {
 		profileEnabled=>{
 			defaultValue=>1
 			},
+		defaultValue>{
+			defaultValue=>''
+			},
 		});
         return $class->SUPER::definition($session, $definition);
 }