diff --git a/designer/browser.ui b/designer/browser.ui
index 38713fcc6..35e5b4c6f 100644
--- a/designer/browser.ui
+++ b/designer/browser.ui
@@ -12,7 +12,7 @@
   </property>
   <property name="minimumSize">
    <size>
-    <width>750</width>
+    <width>400</width>
     <height>400</height>
    </size>
   </property>