diff --git a/js/client-teambuilder.js b/js/client-teambuilder.js
index cddd883fe..9414b81e0 100644
--- a/js/client-teambuilder.js
+++ b/js/client-teambuilder.js
@@ -2470,7 +2470,7 @@
 			buf += '<div class="resultheader"><h3>Details</h3></div>';
 			buf += '<form class="detailsform">';
 
-			buf += '<div class="formrow"><label class="formlabel">Level:</label><div><input type="number" min="1" max="100" step="1" name="level" value="' + BattleLog.escapeHTML(set.level || 100) + '" class="textbox inputform numform" /></div></div>';
+			buf += '<div class="formrow"><label class="formlabel">Level:</label><div><input type="number" min="1" max="100" step="1" name="level" value="' + (typeof set.level === 'number' ? set.level : 100) + '" class="textbox inputform numform" /></div></div>';
 
 			if (this.curTeam.gen > 1) {
 				buf += '<div class="formrow"><label class="formlabel">Gender:</label><div>';