Index: trunk/tools/checkstyle/josm_checks.xml
===================================================================
--- trunk/tools/checkstyle/josm_checks.xml	(revision 11540)
+++ trunk/tools/checkstyle/josm_checks.xml	(revision 11587)
@@ -14,4 +14,7 @@
   <property name="charset" value="UTF-8"/>
   <module name="TreeWalker">
+    <module name="BooleanExpressionComplexity">
+      <property name="max" value="6"/>
+    </module>
     <module name="FileContentsHolder"/>
     <module name="MissingDeprecated"/>