diff --git a/data/gui/groupchat_control.ui b/data/gui/groupchat_control.ui
index fbe10ca2c..7ab14ecca 100644
--- a/data/gui/groupchat_control.ui
+++ b/data/gui/groupchat_control.ui
@@ -20,6 +20,7 @@
         <property name="spacing">5</property>
         <child>
           <object class="GtkEventBox" id="banner_eventbox">
+            <property name="name">GroupChatControl-BannerEventBox</property>
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <child>
@@ -48,6 +49,7 @@
                     <property name="orientation">vertical</property>
                     <child>
                       <object class="GtkLabel" id="banner_name_label">
+                        <property name="name">GroupChatControl-BannerNameLabel</property>
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
                         <property name="label">&lt;span weight="heavy" size="large"&gt;room jid&lt;/span&gt;</property>
@@ -62,6 +64,7 @@
                     </child>
                     <child>
                       <object class="GtkLabel" id="banner_label">
+                        <property name="name">GroupChatControl-BannerLabel</property>
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
                         <property name="label">label</property>
diff --git a/src/gtkgui_helpers.py b/src/gtkgui_helpers.py
index 3771bfb91..ef84ae04b 100644
--- a/src/gtkgui_helpers.py
+++ b/src/gtkgui_helpers.py
@@ -1113,6 +1113,9 @@ def convert_config_to_css():
         'ChatControl-BannerEventBox': ('bannerbgcolor', 'background'),
         'ChatControl-BannerNameLabel': ('bannertextcolor', 'color'),
         'ChatControl-BannerLabel': ('bannertextcolor', 'color'),
+        'GroupChatControl-BannerEventBox': ('bannerbgcolor', 'background'),
+        'GroupChatControl-BannerNameLabel': ('bannertextcolor', 'color'),
+        'GroupChatControl-BannerLabel': ('bannertextcolor', 'color'),
         'Discovery-BannerEventBox': ('bannerbgcolor', 'background'),
         'Discovery-BannerLabel': ('bannertextcolor', 'color')}