diff --git a/Controller/PrinterController.php b/Controller/PrinterController.php
index c7d667f..02970cc 100755
--- a/Controller/PrinterController.php
+++ b/Controller/PrinterController.php
@@ -82,7 +82,8 @@ class PrinterController extends Controller
 
             if(isset($counter[$size]))
             {
-                $pCounter[$key]['prints']     = $counter[$size]['prints'] - $counter[0]['prints'];
+                $pCounter[$key]['prints'] = ($size == 0) ?
+                    $counter[$size]['prints'] : $counter[$size]['prints'] - $counter[0]['prints'];
                 $pCounter[$key]['blackInk']   = $counter[$size]['blackInk'];
                 $pCounter[$key]['coloredInk'] = $counter[$size]['coloredInk'];
             }
diff --git a/Resources/views/Printer/index.html.twig b/Resources/views/Printer/index.html.twig
index cd01e0d..edf8d0b 100755
--- a/Resources/views/Printer/index.html.twig
+++ b/Resources/views/Printer/index.html.twig
@@ -31,6 +31,8 @@
                 <td>
                     {% if printerCounter[entity.id] is defined %}
                         {{ printerCounter[entity.id]['prints'] }}
+                    {% else %}
+                        0
                     {% endif %}
                 </td>
                 <td>{{ entity.name }}</td>
--
libgit2 0.21.2