diff --git a/js_src/gcodeGenerating.js b/js_src/gcodeGenerating.js
index 321c217..670952c 100644
--- a/js_src/gcodeGenerating.js
+++ b/js_src/gcodeGenerating.js
@@ -200,6 +200,7 @@ function subsituteVariables(gcode) {
 	var preheatTemperature      = settings["printer.heatup.temperature"];
 	var preheatBedTemperature   = settings["printer.heatup.bed.temperature"];
   var printerType             = settings["printer.type"];
+  var heatedbed             	= settings["printer.heatedbed"];
 
   switch (printerType) {
     case "makerbot_replicator2": printerType = "r2"; break; 
@@ -207,13 +208,15 @@ function subsituteVariables(gcode) {
     case "makerbot_thingomatic": printerType = "t6"; break;
     case "makerbot_generic": printerType = "r2"; break;
   }
+  var heatedBedReplacement = (heatedbed)? "" : ";";
 
 	gcode = gcode.replace(/{printingTemp}/gi  	,temperature);
 	gcode = gcode.replace(/{printingBedTemp}/gi ,bedTemperature);
 	gcode = gcode.replace(/{preheatTemp}/gi			,preheatTemperature);
 	gcode = gcode.replace(/{preheatBedTemp}/gi 	,preheatBedTemperature);
   gcode = gcode.replace(/{printerType}/gi     ,printerType);
-
+  gcode = gcode.replace(/{if heatedBed}/gi    ,heatedBedReplacement);
+    
 	return gcode;
 }
 
diff --git a/www/settings.html b/www/settings.html
index 79d2b5f..2e73284 100644
--- a/www/settings.html
+++ b/www/settings.html
@@ -52,14 +52,14 @@
         <option value="marlin_generic">Generic Marlin Printer</option>
         <option value="makerbot_generic">Generic Makerbot Printer</option>
       </select> --><br/>
-
+      
       <label for="printerDimensionsX">Dimensions:</label>
       x:<input id="printerDimensionsX" type="number" class="small" name="printer.dimensions.x" placeholder="x">mm<br>
       <label for="printerDimensionsY"></label>
       y:<input id="printerDimensionsY" type="number" class="small" name="printer.dimensions.y" placeholder="y">mm<br>
       <label for="printerDimensionsZ"></label>
       z:<input id="printerDimensionsZ" type="number" class="small" name="printer.dimensions.z" placeholder="z">mm<br>
-
+      <label for="heatedBed">Heated bed:</label><input id="heatedBed" type="checkbox" name="printer.heatedbed" value="heatedbed"><br>
       <fieldset id="gcodePanel">
  		<legend>GCODE settings</legend>
  		<div>
@@ -79,6 +79,8 @@
       				<dt>{preheatTemp}</dt><dd>Preheat temperature</dd>
       				<dt>{preheatBedTemp}</dt><dd>Preheat bed temperature</dd>
       				<dt>{printerType}</dt><dd>Printer type</dd>
+      				<dt>{if heatedBed}</dt><dd>Enable line if printer has heated bed</dd>
+      				
       			</dl>
       		</small>
       	</div>