diff --git a/retroshare-gui/src/gui/chat/ChatWidget.ui b/retroshare-gui/src/gui/chat/ChatWidget.ui
index 879c99d00..9f8315ab8 100644
--- a/retroshare-gui/src/gui/chat/ChatWidget.ui
+++ b/retroshare-gui/src/gui/chat/ChatWidget.ui
@@ -894,6 +894,12 @@ border-image: url(:/images/closepressed.png)
         </item>
         <item>
          <widget class="HashBox" name="hashBox">
+          <property name="maximumSize">
+           <size>
+            <width>16777215</width>
+            <height>78</height>
+           </size>
+          </property>
           <property name="widgetResizable">
            <bool>true</bool>
           </property>