diff --git a/modoboa/templates/common/progressbar.html b/modoboa/templates/common/progressbar.html
index 2153dd097..d7fd5fa77 100644
--- a/modoboa/templates/common/progressbar.html
+++ b/modoboa/templates/common/progressbar.html
@@ -1,5 +1,5 @@
 {% load lib_tags %}
 
 <div id="{{ id }}" rel="tooltip" title="{{ value }}%" class="progress">
-  <div class="{% progress_color value %}" style="width: {{ value }%"></div>
+  <div class="{% progress_color value %}" style="width: {{ value }}%"></div>
 </div>