diff --git a/src/css/pensize.css b/src/css/pensize.css
index 231041a3..94f40068 100644
--- a/src/css/pensize.css
+++ b/src/css/pensize.css
@@ -46,4 +46,8 @@
 
 .pen-size-option.selected {
   border-color: gold;
-}
\ No newline at end of file
+}
+
+.pen-size-option.labeled:before {
+  content: attr(real-pen-size);
+}
diff --git a/src/js/controller/PenSizeController.js b/src/js/controller/PenSizeController.js
index 0e8bc1fa..324e4cf6 100644
--- a/src/js/controller/PenSizeController.js
+++ b/src/js/controller/PenSizeController.js
@@ -25,9 +25,17 @@
   };
 
   ns.PenSizeController.prototype.updateSelectedOption_ = function () {
+    pskl.utils.Dom.removeClass('labeled', this.container);
     pskl.utils.Dom.removeClass('selected', this.container);
     var size = pskl.app.penSizeService.getPenSize();
-    var selectedOption = this.container.querySelector('[data-size="' + size + '"]');
+    var selectedOption;
+    if (size <= 4) {
+      selectedOption = this.container.querySelector('[data-size="' + size + '"]');
+    } else {
+      selectedOption = this.container.querySelector('[data-size="4"]');
+      selectedOption.classList.add('labeled');
+      selectedOption.setAttribute('real-pen-size', size);
+    }
     if (selectedOption) {
       selectedOption.classList.add('selected');
     }
diff --git a/src/templates/drawing-tools.html b/src/templates/drawing-tools.html
index 003ab3a4..77be432f 100644
--- a/src/templates/drawing-tools.html
+++ b/src/templates/drawing-tools.html
@@ -5,7 +5,7 @@
         <div class="pen-size-option" data-size="1"></div>
         <div class="pen-size-option" data-size="2"></div>
         <div class="pen-size-option" data-size="3"></div>
-        <div class="pen-size-option" data-size="4"></div>
+        <div class="pen-size-option" data-size="4" real-pen-size="6"></div>
       </div>
       <ul id="tools-container" class="tools-wrapper">
         <!-- Drawing tools will be inserted here -->
@@ -43,4 +43,4 @@
   <script type="text/template" id="drawingTool-item-template">
     <li rel="tooltip" data-placement="{{tooltipposition}}" class="{{cssclass}}" data-tool-id="{{toolid}}" title="{{title}}"></li>
   </script>
-</div>
\ No newline at end of file
+</div>