diff --git a/_posts/custom-layout-modes/2011-10-18-spine-align.html b/_posts/custom-layout-modes/2011-10-18-spine-align.html
index 8f1497c..6389602 100644
--- a/_posts/custom-layout-modes/2011-10-18-spine-align.html
+++ b/_posts/custom-layout-modes/2011-10-18-spine-align.html
@@ -69,7 +69,7 @@ $container.isotope({
 
     $elems.each(function(){
       var $this = $(this),
-          isColA = props.colB > props.colA,
+          isColA = props.colA <= props.colB,
           x = isColA ?
             centerX - ( $this.outerWidth(true) + gutterWidth / 2 ) : // left side
             centerX + gutterWidth / 2, // right side