diff --git a/_includes/theme-switch.html b/_includes/theme-switch.html
index a016ad4b2c..f21b3a0cf8 100644
--- a/_includes/theme-switch.html
+++ b/_includes/theme-switch.html
@@ -1,6 +1,6 @@
 <div class="toggle-mode">
   <div class="icon">
-      <i class="fa fa-sun-o" aria-hidden="true"></i>
+      <i class="fa fa-sun" aria-hidden="true"></i>
   </div>
   <div class="toggle-switch">
       <label class="switch">
@@ -9,6 +9,6 @@
       </label>
   </div>
   <div class="icon">
-      <i class="fa fa-moon-o" aria-hidden="true"></i>
+      <i class="fa fa-moon" aria-hidden="true"></i>
   </div>
 </div>