diff --git a/eclipse/src/plugin-test/maven.xml b/eclipse/src/plugin-test/maven.xml
index ed5111eb..3dc12492 100644
--- a/eclipse/src/plugin-test/maven.xml
+++ b/eclipse/src/plugin-test/maven.xml
@@ -18,6 +18,7 @@
 <project xmlns:j="jelly:core" 
          xmlns:assert="assert" 
          xmlns:u="jelly:util"
+         xmlns:maven="jelly:maven"
          xmlns:x="jelly:xml">
 
   <goal name="testPlugin" prereqs="test-eclipse,test-natures,test-builders,test-natures-and-builders,test-classpath-has-generated-source,test-classpath-has-overridden-jar,test-noduplicates,test-classpath-con-entry">
@@ -111,7 +112,20 @@
     <u:file var="classpathFile" name="${dotClasspath}"/>
     <x:parse var="classpathDoc" xml="${classpathFile.toURL()}" />
     <x:set var="count" select="count($classpathDoc/classpath/classpathentry[contains(@kind,'src')])"/>
-    <assert:assertEquals expected="7" value="${count.intValue().toString()}" msg="Wrong number of generated src directories found"/>  
+
+    <j:set var="expectedDirs" value="6"/>
+    <j:set var="cactusStatus" value="NOT installed"/>
+    <maven:get plugin="cactus-maven" property="plugin" var="cactusPlugin" />
+    <j:if test="${! empty(cactusPlugin)}">
+       <j:set var="expectedDirs" value="${expectedDirs+1}"/>
+       <!-- I wish someday I will understand why Jelly requires hacks like
+            the following ...  -->
+       <j:set var="expectedDirs" value="${expectedDirs.intValue().toString()}"/>
+       <j:set var="cactusStatus" value="installed"/>
+    </j:if>
+    <echo>Cactus plugin ${cactusStatus} - expecting ${expectedDirs} source entries.</echo>
+   
+    <assert:assertEquals expected="${expectedDirs}" value="${count.intValue().toString()}" msg="Wrong number of generated src directories found"/>  
   </goal>
 
   <goal name="test-classpath-has-overridden-jar">