diff --git a/src/DoctrineAuditBundle/Resources/views/Audit/entry.html.twig b/src/DoctrineAuditBundle/Resources/views/Audit/entry.html.twig
index 5a745024..82340bb7 100644
--- a/src/DoctrineAuditBundle/Resources/views/Audit/entry.html.twig
+++ b/src/DoctrineAuditBundle/Resources/views/Audit/entry.html.twig
@@ -37,7 +37,7 @@
                             <td><code>{{ key }}</code></td>
                             <td>
                                 {% if values.old is defined %}
-                                    {% if values.old is empty %}
+                                    {% if values.old is null %}
                                         {{ bootstrap.badge('null', 'secondary') }}
                                     {% else %}
                                         {{ bootstrap.text(helper.dump(values.old), 'danger') }}
@@ -46,10 +46,10 @@
                             </td>
                             <td>
                                 {% if values.new is defined %}
-                                    {% if values.new is empty %}
+                                    {% if values.new is null %}
                                         {{ bootstrap.badge('null', 'secondary') }}
                                     {% else %}
-                                        {% if values.old is empty %}
+                                        {% if values.old is null %}
                                             {{ bootstrap.text(helper.dump(values.new), 'primary') }}
                                         {% else %}
                                             {{ bootstrap.text(helper.dump(values.new), 'success') }}
diff --git a/src/DoctrineAuditBundle/Resources/views/Audit/helpers/helper.html.twig b/src/DoctrineAuditBundle/Resources/views/Audit/helpers/helper.html.twig
index 049b993c..e8d4d100 100644
--- a/src/DoctrineAuditBundle/Resources/views/Audit/helpers/helper.html.twig
+++ b/src/DoctrineAuditBundle/Resources/views/Audit/helpers/helper.html.twig
@@ -1,5 +1,6 @@
 {% macro dump(value, separator) %}
 {% import _self as helper %}
+{% import '@DHDoctrineAudit/Audit/bootstrap.html.twig' as bootstrap %}
 {% apply spaceless %}
     {% if value.label is defined %}
         {{ value.label }}
@@ -7,6 +8,10 @@
         {% for k, v in value %}
             {{ k }}: {{ helper.dump(v) }}{{ separator|default('<br/>')|raw }}
         {% endfor %}
+    {% elseif value is same as(true) %}
+        {{ 'true' }}
+    {% elseif value is same as(false) %}
+        {{ 'false' }}
     {% else %}
         {{ value }}
     {% endif %}