diff --git a/checkstyle/plugin.jelly b/checkstyle/plugin.jelly
index 24583e01..033d846e 100644
--- a/checkstyle/plugin.jelly
+++ b/checkstyle/plugin.jelly
@@ -130,7 +130,22 @@
 
         <ant:fileset dir="${pom.build.sourceDirectory}"
           includes="${maven.checkstyle.includes}"
-          excludes="${maven.checkstyle.excludes}"/>
+          excludes="${maven.checkstyle.excludes}">
+          <!-- FIXME: This is a bad cut and paste -->
+          <!-- handle source modifications -->
+          <j:forEach var="sm" items="${pom.build.sourceModifications}">
+            <ant:available property="classPresent" classname="${sm.className}"/>
+            <j:if test="${classPresent != 'true'}">
+              <j:forEach var="exclude" items="${sm.excludes}">
+                <ant:exclude name="${exclude}"/>
+              </j:forEach>
+              <j:forEach var="include" items="${sm.includes}">
+                <ant:include name="${include}"/>
+              </j:forEach>
+            </j:if>
+          </j:forEach>
+
+        </ant:fileset>
 
         <ant:formatter type="xml" 
           toFile="${maven.build.dir}/checkstyle-raw-report.xml"/>