diff --git a/tomcat/webapps/Trawl/index.jsp b/tomcat/webapps/Trawl/index.jsp
index 49007e529a853c9aa4eff0293d3c8f35bc87761d..d29914e9861bc967cb0aa79ffec4f45f54e2ede4 100644
--- a/tomcat/webapps/Trawl/index.jsp
+++ b/tomcat/webapps/Trawl/index.jsp
@@ -72,7 +72,7 @@
             <section id="outputIn">
                 <%--Map and Histogram must have the same name for default checkbox to function correctly--%>
                 Cluster Size:
-                <input type="number" id="pickSize" value="clusterSize" >
+                <input type="number" id="pickSize" >
                 <input type="radio" name="pickOutput" value="cluster" > Cluster
                 <input type="radio" name="pickOutput" value="map"> Map
                 <input type="radio" name="pickOutput" value="heat"> Heatmap
diff --git a/tomcat/webapps/Trawl/script.js b/tomcat/webapps/Trawl/script.js
index fc41de12b18d19f0dc077e65f9d4217964082c5e..6ebcd04fd2aee61347e1cc1d57d5de613c8f3810 100644
--- a/tomcat/webapps/Trawl/script.js
+++ b/tomcat/webapps/Trawl/script.js
@@ -256,8 +256,8 @@ function callOutput(){
     taxGroup = getTaxGroup();
     yearFrom = $( "#slider-range" ).slider( "values", 0 );
     yearTo = $( "#slider-range" ).slider( "values", 1 );
-    clusterSize = document.getElementById("pickSize");
-
+    clusterSize = document.getElementById("pickSize").value;
+    console.log("Cs: " + clusterSize);
     var params= JSON.stringify({taxId: Number(taxGroup), yearF: Number(yearFrom), yearT: Number(yearTo), area: Number(clusterSize)});
 
     //Switch Output Display