diff --git a/simian/plugin.jelly b/simian/plugin.jelly
index 5467ed6e..dc1bffae 100644
--- a/simian/plugin.jelly
+++ b/simian/plugin.jelly
@@ -50,8 +50,27 @@
     <ant:simian output="${maven.build.dir}/generated-xdocs/simian.log"
                 lineCount="${maven.simian.linecount}"
                 failOnDuplication="${maven.simian.failonduplication}">
-      <ant:fileset dir="${pom.build.sourceDirectory}" includes="**/*.java"/>
-      <ant:fileset dir="${pom.build.unitTestSourceDirectory}" includes="**/*.java"/>
+
+      <ant:fileset dir="${pom.build.sourceDirectory}">
+        <ant:include name="**/*.java"/>
+        <!-- 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="${include}"/>
+            </j:forEach>
+          </j:if>
+        </j:forEach>
+
+      </ant:fileset> 
+      <j:if test="${unitTestSourcesPresent == 'true'}">
+        <ant:fileset dir="${pom.build.unitTestSourceDirectory}" includes="**/*.java"/>
+      </j:if>
 
       <!-- debut ajout momo -->
       <j:set var="ignoreStrings" value="${maven.simian.ignorestrings}"/>