diff --git a/static/map.html b/static/map.html
index 6c89910..e952bce 100644
--- a/static/map.html
+++ b/static/map.html
@@ -24,7 +24,7 @@
 	<div id="map"></div><br/>
 
 	<input id="name"/><button id="setName">Set team name</button><br/>
-	<input type="number" id="color" value="0"/><button id="setColor">Set color</button><br/>
+	<input type="number" id="color" min="-1" value="0"/><button id="setColor">Set color</button><br/>
 
 	<script type="text/javascript">
 
@@ -79,6 +79,9 @@
 		    maxZoom: 19,
 		    attribution: '© OpenStreetMap'
 		}).addTo(map);
+		
+        document.getElementById('color').max = icons.length - 1;
+        console.log(document.getElementById('color').max);
 
 		//////////////////////////////////////////////////////////////////////////////
 		// UPDATE MAP