diff --git a/data/resources/ui/content-message-row.ui b/data/resources/ui/content-message-row.ui
index 63e6c2ce..17c67955 100644
--- a/data/resources/ui/content-message-row.ui
+++ b/data/resources/ui/content-message-row.ui
@@ -32,7 +32,7 @@
                 <child type="end">
                   <object class="GtkLabel" id="timestamp">
                     <style>
-                      <class name="heading"/>
+                      <class name="caption"/>
                       <class name="timestamp"/>
                       <class name="dim-label"/>
                     </style>