diff --git a/conf/checkstyle/sun_checks.xml b/conf/checkstyle/sun_checks.xml
index 8d57707..562a38e 100644
--- a/conf/checkstyle/sun_checks.xml
+++ b/conf/checkstyle/sun_checks.xml
@@ -93,7 +93,10 @@
 
         <!-- Checks for Naming Conventions.                  -->
         <!-- See http://checkstyle.sf.net/config_naming.html -->
-        <module name="ConstantName"/>
+        <module name="ConstantName">
+	  <!--  ONOS allows the name "log" for static final Loggers -->
+	  <property name="format" value="^log$|^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$" />
+	</module>
         <module name="LocalFinalVariableName"/>
         <module name="LocalVariableName"/>
         <module name="MemberName"/>