diff --git a/wp-content/themes/twentythirteen/js/functions.js b/wp-content/themes/twentythirteen/js/functions.js
index 3ef5eb6caa..3d5d7a4edc 100644
--- a/wp-content/themes/twentythirteen/js/functions.js
+++ b/wp-content/themes/twentythirteen/js/functions.js
@@ -97,7 +97,7 @@
 			itemSelector: '.widget',
 			columnWidth: columnWidth,
 			gutterWidth: 20,
-			isRTL: body.is( 'rtl' ) ? true : false
+			isRTL: body.is( '.rtl' ) ? true : false
 		} );
 	}
 } )( jQuery );
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