diff --git a/gui/res/MainWindowBase.ui b/gui/res/MainWindowBase.ui
index 06167190..a0827529 100644
--- a/gui/res/MainWindowBase.ui
+++ b/gui/res/MainWindowBase.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>397</width>
+    <width>400</width>
     <height>247</height>
    </rect>
   </property>
@@ -16,6 +16,18 @@
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
+  <property name="minimumSize">
+   <size>
+    <width>400</width>
+    <height>247</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>400</width>
+    <height>247</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>Synergy+</string>
   </property>