diff --git a/lib/persona.js b/lib/persona.js
index 2b8cec7..c0071b8 100644
--- a/lib/persona.js
+++ b/lib/persona.js
@@ -214,7 +214,7 @@ $(document).ready(function() {
 					}
 				}
 
-				utils.makeNumbersHumanReadable($('.human-readable-number'));
+				utils.makeNumbersHumanReadable(card.find('.human-readable-number'));
 
 				card.on('mouseleave', function() {
 					card.fadeOut(function() {