diff --git a/addons/web/static/src/img/infinity.gif b/addons/web/static/src/img/infinity.gif
deleted file mode 100644
index 509f6846a49..00000000000
Binary files a/addons/web/static/src/img/infinity.gif and /dev/null differ
diff --git a/addons/web/static/src/img/infinity.png b/addons/web/static/src/img/infinity.png
new file mode 100644
index 00000000000..5424b856735
Binary files /dev/null and b/addons/web/static/src/img/infinity.png differ
diff --git a/addons/web_kanban/static/src/xml/web_kanban.xml b/addons/web_kanban/static/src/xml/web_kanban.xml
index 7e1ef68c632..091f30bfa11 100644
--- a/addons/web_kanban/static/src/xml/web_kanban.xml
+++ b/addons/web_kanban/static/src/xml/web_kanban.xml
@@ -48,7 +48,7 @@
                     <div t-attf-class="oe_kanban_group_title #{widget.undefined_title ? 'oe_kanban_group_title_undefined' : ''}">
                         <span><t t-esc="widget.title"/></span>
                         <span class="oe_kanban_group_length oe_tag" style="position:relative; top:-2px;">
-                            <t t-if="widget.group.get('length') > 99"> <img t-att-src='_s + "/web/static/src/img/infinity.gif"' width="20" height="20"/> </t>
+                            <t t-if="widget.group.get('length') > 99"> <img t-att-src='_s + "/web/static/src/img/infinity.png"' width="16" height="12"/> </t>
                             <t t-if="widget.group.get('length') lt= 99"> <t t-esc="widget.group.get('length')"/> </t>
                         </span>
                     </div>