diff --git a/templates/base/components/dashlet/dashlet-badge.html.twig b/templates/base/components/dashlet/dashlet-badge.html.twig
index e62c7d4e69..da937dd7c7 100644
--- a/templates/base/components/dashlet/dashlet-badge.html.twig
+++ b/templates/base/components/dashlet/dashlet-badge.html.twig
@@ -5,7 +5,8 @@
          data-role="ibo-dashlet-badge--body"
          title="{{ oUIBlock.GetClassLabel() }}">
         <div class="ibo-dashlet-badge--icon-container">
-            <img class="ibo-dashlet-badge--icon" src="{{ oUIBlock.GetClassIconUrl() }}">
+            {# Mind the empty "alt" attribute https://www.w3.org/WAI/tutorials/images/decorative/ #}
+            <img class="ibo-dashlet-badge--icon" src="{{ oUIBlock.GetClassIconUrl() }}" alt="">
         </div>
         <div class="ibo-dashlet-badge--actions">
             <a class="ibo-dashlet-badge--action-list" href="{{ oUIBlock.GetHyperlink() }}" data-role="ibo-dashlet-badge--action-list">
diff --git a/templates/base/components/dashlet/dashlet-header-static.html.twig b/templates/base/components/dashlet/dashlet-header-static.html.twig
index 17b4f36ea0..c0880cc438 100644
--- a/templates/base/components/dashlet/dashlet-header-static.html.twig
+++ b/templates/base/components/dashlet/dashlet-header-static.html.twig
@@ -5,7 +5,8 @@
         <div class="ibo-dashlet-header-static--body">
             {% if oUIBlock.GetIconUrl() is not empty %}
                 <div class="ibo-dashlet-header-static--icon-container">
-                    <img class="ibo-dashlet-header-static--icon" src="{{ oUIBlock.GetIconUrl()|raw }}" alt="{{ oUIBlock.GetTitle() }}">
+                    {# Mind the empty "alt" attribute https://www.w3.org/WAI/tutorials/images/decorative/ #}
+                    <img class="ibo-dashlet-header-static--icon" src="{{ oUIBlock.GetIconUrl()|raw }}" alt="">
                 </div>
             {% endif %}
             {% if oUIBlock.GetTitle() is not empty %}