diff --git a/src/client/components/components-preferences-window.vala b/src/client/components/components-preferences-window.vala
index b2f7be9b..974db010 100644
--- a/src/client/components/components-preferences-window.vala
+++ b/src/client/components/components-preferences-window.vala
@@ -106,7 +106,8 @@ public class Components.PreferencesWindow : Hdy.PreferencesWindow {
                              Application.PluginManager plugins) {
         Object(
             application: parent.application,
-            default_width: 540,
+            default_width: 800,
+            default_height: 600,
             transient_for: parent
         );
         this.plugins = plugins;
diff --git a/ui/accounts_editor.ui b/ui/accounts_editor.ui
index dcd4f42f..179bf778 100644
--- a/ui/accounts_editor.ui
+++ b/ui/accounts_editor.ui
@@ -4,8 +4,8 @@
   <requires lib="gtk+" version="3.20"/>
   <template class="AccountsEditor" parent="GtkDialog">
     <property name="modal">True</property>
-    <property name="default_width">360</property>
-    <property name="default_height">450</property>
+    <property name="default_width">800</property>
+    <property name="default_height">650</property>
     <property name="type_hint">dialog</property>
     <child type="titlebar">
       <placeholder/>