diff --git a/src/settings/backendsettingspage.ui b/src/settings/backendsettingspage.ui
index fb4d08917..1b33dec65 100644
--- a/src/settings/backendsettingspage.ui
+++ b/src/settings/backendsettingspage.ui
@@ -40,6 +40,12 @@
           <property name="enabled">
            <bool>false</bool>
           </property>
+          <property name="minimumSize">
+           <size>
+            <width>400</width>
+            <height>0</height>
+           </size>
+          </property>
          </widget>
         </item>
         <item>
@@ -47,6 +53,12 @@
           <property name="orientation">
            <enum>Qt::Horizontal</enum>
           </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
          </spacer>
         </item>
        </layout>
@@ -71,6 +83,12 @@
           <property name="enabled">
            <bool>false</bool>
           </property>
+          <property name="minimumSize">
+           <size>
+            <width>400</width>
+            <height>0</height>
+           </size>
+          </property>
          </widget>
         </item>
         <item>
@@ -78,6 +96,12 @@
           <property name="orientation">
            <enum>Qt::Horizontal</enum>
           </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
          </spacer>
         </item>
        </layout>
@@ -102,6 +126,12 @@
           <property name="enabled">
            <bool>false</bool>
           </property>
+          <property name="minimumSize">
+           <size>
+            <width>240</width>
+            <height>0</height>
+           </size>
+          </property>
          </widget>
         </item>
         <item>
@@ -112,7 +142,7 @@
           <property name="minimumSize">
            <size>
             <width>90</width>
-            <height>0</height>
+            <height>30</height>
            </size>
           </property>
           <property name="maximumSize">
@@ -121,21 +151,6 @@
             <height>16777215</height>
            </size>
           </property>
-          <property name="sizeIncrement">
-           <size>
-            <width>0</width>
-            <height>0</height>
-           </size>
-          </property>
-          <property name="baseSize">
-           <size>
-            <width>0</width>
-            <height>0</height>
-           </size>
-          </property>
-          <property name="toolTip">
-           <string extracomment="Leave blank for the default."/>
-          </property>
           <property name="hint" stdset="0">
            <string/>
           </property>
@@ -146,6 +161,12 @@
           <property name="orientation">
            <enum>Qt::Horizontal</enum>
           </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
          </spacer>
         </item>
        </layout>
@@ -202,6 +223,12 @@
           <property name="orientation">
            <enum>Qt::Horizontal</enum>
           </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
          </spacer>
         </item>
        </layout>
@@ -456,6 +483,12 @@
      <property name="orientation">
       <enum>Qt::Vertical</enum>
      </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>0</width>
+       <height>0</height>
+      </size>
+     </property>
     </spacer>
    </item>
   </layout>