diff --git a/kstyle/config/ui/breezestyleconfig.ui b/kstyle/config/ui/breezestyleconfig.ui
index 1331b9d4..f4ffdc1b 100644
--- a/kstyle/config/ui/breezestyleconfig.ui
+++ b/kstyle/config/ui/breezestyleconfig.ui
@@ -35,6 +35,9 @@
         <property name="suffix">
          <string>ms</string>
         </property>
+        <property name="maximum">
+         <number>500</number>
+        </property>
        </widget>
       </item>
       <item row="2" column="2">