diff --git a/src/settings-dialog.ui b/src/settings-dialog.ui
index 2223930..781bc0f 100644
--- a/src/settings-dialog.ui
+++ b/src/settings-dialog.ui
@@ -12,7 +12,7 @@
     <property name="type_hint">normal</property>
     <property name="has_separator">False</property>
     <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox">
+      <object class="GtkVBox" id="dialog-vbox">
         <property name="visible">True</property>
         <property name="orientation">vertical</property>
         <property name="spacing">2</property>
@@ -22,11 +22,11 @@
             <property name="can_focus">True</property>
             <property name="show_tabs">False</property>
             <child>
-              <object class="GtkBox" id="hbox">
+              <object class="GtkHBox" id="hbox">
                 <property name="visible">True</property>
                 <property name="border_width">6</property>
                 <child>
-                  <object class="GtkBox" id="vbox1">
+                  <object class="GtkHBox" id="vbox1">
                     <property name="visible">True</property>
                     <property name="orientation">vertical</property>
                     <property name="spacing">6</property>
@@ -41,7 +41,7 @@
                             <property name="top_padding">6</property>
                             <property name="left_padding">12</property>
                             <child>
-                              <object class="GtkBox" id="vbox-interface">
+                              <object class="GtkHBox" id="vbox-interface">
                                 <property name="visible">True</property>
                                 <property name="orientation">vertical</property>
                                 <property name="spacing">6</property>
@@ -129,7 +129,7 @@
                                   </packing>
                                 </child>
                                 <child>
-                                  <object class="GtkBox" id="hbox-toolbar-style">
+                                  <object class="GtkHBox" id="hbox-toolbar-style">
                                     <property name="visible">True</property>
                                     <property name="spacing">6</property>
                                     <child>
@@ -182,7 +182,7 @@
                             <property name="top_padding">6</property>
                             <property name="left_padding">12</property>
                             <child>
-                              <object class="GtkBox" id="vbox-misc">
+                              <object class="GtkVBox" id="vbox-misc">
                                 <property name="visible">True</property>
                                 <property name="orientation">vertical</property>
                                 <property name="spacing">6</property>
@@ -238,7 +238,7 @@
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkSeparator" id="vseparator1">
+                  <object class="GtkVSeparator" id="vseparator1">
                     <property name="orientation">vertical</property>
                   </object>
                   <packing>
@@ -248,7 +248,7 @@
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkBox" id="vbox2">
+                  <object class="GtkVBox" id="vbox2">
                     <property name="orientation">vertical</property>
                     <property name="spacing">6</property>
                     <child>
@@ -263,12 +263,12 @@
                             <property name="top_padding">6</property>
                             <property name="left_padding">12</property>
                             <child>
-                              <object class="GtkBox" id="vbox-information">
+                              <object class="GtkVBox" id="vbox-information">
                                 <property name="visible">True</property>
                                 <property name="orientation">vertical</property>
                                 <property name="spacing">6</property>
                                 <child>
-                                  <object class="GtkBox" id="hbox-refresh-rate">
+                                  <object class="GtkHBox" id="hbox-refresh-rate">
                                     <property name="visible">True</property>
                                     <property name="spacing">6</property>
                                     <child>