diff --git a/aleksis/core/templates/core/data_check/list.html b/aleksis/core/templates/core/data_check/list.html
index 36d83d4cd7d3c917db98c104586bd2aa9c82c139..b192dcdc1623a05fa3ad7b3568b4b8bdc3622abf 100644
--- a/aleksis/core/templates/core/data_check/list.html
+++ b/aleksis/core/templates/core/data_check/list.html
@@ -11,14 +11,14 @@
 
 {% block content %}
   <a class="btn green waves-effect waves-light" href="{% url "data_check_run" %}">
-    <i class="material-icons left">refresh</i>
+    <i class="material-icons left iconify" data-icon="mdi:refresh"></i>
     {% trans "Check data again" %}
   </a>
 
   {% if results %}
     <div class="card">
       <div class="card-content">
-        <i class="material-icons left medium red-text">warning</i>
+        <i class="material-icons left medium red-text iconify" data-icon="mdi:alert-outline"></i>
         <span class="card-title">{% trans "The system detected some problems with your data." %}</span>
         <p>{% blocktrans %}Please go through all data and check whether some extra action is
           needed.{% endblocktrans %}</p>
@@ -27,7 +27,7 @@
   {% else %}
     <div class="card">
       <div class="card-content">
-        <i class="material-icons left medium green-text">check_circle</i>
+        <i class="material-icons left medium green-text iconify" data-icon="mdi:check-circle-outline"></i>
         <span class="card-title">{% trans "Everything is fine." %}</span>
         <p>{% blocktrans %}The system hasn't detected any problems with your data.{% endblocktrans %}</p>
       </div>
@@ -86,7 +86,7 @@
       <div class="card-title">{% trans "Registered checks" %}</div>
       <div class="alert primary">
         <div>
-          <i class="material-icons left">info</i>
+          <i class="material-icons left iconify" data-icon="mdi:information-outline"></i>
           {% blocktrans %}
             The system will check for the following problems:
           {% endblocktrans %}
@@ -95,7 +95,7 @@
       <ul class="collection">
         {% for check in registered_checks %}
           <li class="collection-item">
-            <i class="material-icons left">check</i>
+            <i class="material-icons left iconify" data-icon="mdi:check"></i>
             {{ check.verbose_name }}
           </li>
         {% endfor %}