diff --git a/src/core.js b/src/core.js
index d46d5a1..d94e71c 100644
--- a/src/core.js
+++ b/src/core.js
@@ -190,7 +190,8 @@ $.extend( $.expr[ ":" ], {
 
 	// http://jqueryvalidation.org/filled-selector/
 	filled: function( a ) {
-		return !!$.trim( "" + $( a ).val() );
+		var val = $( a ).val();
+		return val !== null && !!$.trim( "" + val );
 	},
 
 	// http://jqueryvalidation.org/unchecked-selector/
diff --git a/test/test.js b/test/test.js
index 9a8b149..31c4ccf 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1223,6 +1223,14 @@ test( "expression: :filled", function() {
 	equal( $( e ).filter( ":filled" ).length, 0 );
 	e.value = " a ";
 	equal( $( e ).filter( ":filled" ).length, 1 );
+  e = $( "#meal" )[ 0 ];
+  equal( $( e ).filter( ":filled" ).length, 0 );
+	$( e ).val( "1" );
+	equal( $( e ).filter( ":filled" ).length, 1 );
+  e = $( "#selectf7" )[ 0 ];
+  equal( $( e ).filter( ":filled" ).length, 0 );
+	$( e ).val( [ "1", "2" ] );
+	equal( $( e ).filter( ":filled" ).length, 1 );
 } );
 
 test( "expression: :unchecked", function() {