diff --git a/src/app/dialogs/tools/dialoguniondetails.ui b/src/app/dialogs/tools/dialoguniondetails.ui
index 529030b1c..536409c1f 100644
--- a/src/app/dialogs/tools/dialoguniondetails.ui
+++ b/src/app/dialogs/tools/dialoguniondetails.ui
@@ -6,42 +6,32 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>473</width>
+    <width>244</width>
     <height>78</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Union details</string>
   </property>
-  <widget class="QDialogButtonBox" name="buttonBox">
-   <property name="geometry">
-    <rect>
-     <x>120</x>
-     <y>40</y>
-     <width>341</width>
-     <height>32</height>
-    </rect>
-   </property>
-   <property name="orientation">
-    <enum>Qt::Horizontal</enum>
-   </property>
-   <property name="standardButtons">
-    <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-   </property>
-  </widget>
-  <widget class="QLabel" name="label">
-   <property name="geometry">
-    <rect>
-     <x>10</x>
-     <y>20</y>
-     <width>451</width>
-     <height>17</height>
-    </rect>
-   </property>
-   <property name="text">
-    <string>Do you really want union details? This operation can't be undone.</string>
-   </property>
-  </widget>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Do you really want union details?&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
  </widget>
  <resources/>
  <connections>