diff --git a/genapp/plugin.jelly b/genapp/plugin.jelly
index 9b2e146b..a1d9be31 100644
--- a/genapp/plugin.jelly
+++ b/genapp/plugin.jelly
@@ -159,7 +159,12 @@
             <ant:exclude name="${res}"/>
           </j:forEach>
           <j:forEach var="res" items="${maven.genapp.repackage.split}">
-            <ant:exclude name="${maven.genapp.repackage.dir}/${res}/**"/>
+            <j:if test="${!empty(maven.genapp.repackage.dir)}">
+              <ant:exclude name="${maven.genapp.repackage.dir}/${res}/**"/>
+            </j:if>
+            <j:if test="${empty(maven.genapp.repackage.dir)}">
+              <ant:exclude name="${res}/**"/>
+            </j:if>
           </j:forEach>
         </ant:fileset>
       </ant:copy>
diff --git a/genapp/xdocs/changes.xml b/genapp/xdocs/changes.xml
index 4431aa23..46eb7810 100644
--- a/genapp/xdocs/changes.xml
+++ b/genapp/xdocs/changes.xml
@@ -23,6 +23,7 @@
   </properties>
   <body>
     <release version="2.3.1-SNAPSHOT" date="In SVN">
+      <action dev="ltheussl" type="fix" issue="MPGENAPP-26">Problem when maven.genapp.repackage.dir is empty.</action>
       <action dev="ltheussl" type="fix" issue="MPGENAPP-27">Generated poms contain deprecated id elements.</action>
       <action dev="aheritier" type="update">Update dependencies to unify them between plugins. The following dependencies are updated : commons-jelly-tags-interaction v1.0 to v1.1</action>
     </release>
