diff --git a/CHANGES.txt b/CHANGES.txt
index 1dc98cf3..41aa9c86 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -83,6 +83,7 @@ for detailed view of each issue, please consult http://issues.apache.org/jira/br
 - IMPROVEMENT: Change allownomd and skipbuildwithoutivy into a more semantically correct name (IVY-297)
 - IMPROVEMENT: Smarter determination if an expression is exact or not for RegexpPatternMatcher and GlobPatternMatcher
 
+- FIX: Ivy distribution jars contains duplicate entries (IVY-828)
 - FIX: ivy:report will generate an HTML file that references non-existent ivy-report.css (IVY-826)
 - FIX: dynamic resolveMode not being dynamic on branch (IVY-825)
 - FIX: Filesystem repositories can not have () in the path (IVY-797)
diff --git a/build.properties b/build.properties
index b7faa369..00467d39 100644
--- a/build.properties
+++ b/build.properties
@@ -26,6 +26,7 @@ core.classes.build.dir=${classes.build.dir}/core
 bootstrap.classes.build.dir=${classes.build.dir}/bootstrap
 ant.classes.build.dir=${classes.build.dir}/ant
 optional.classes.build.dir=${classes.build.dir}/optional
+all.classes.build.dir=${classes.build.dir}/all
 test.build.dir=${basedir}/build/test
 artifacts.build.dir=${basedir}/build/artifact
 distrib.dir=${basedir}/build/distrib
diff --git a/build.xml b/build.xml
index d83c3eb3..11cbf25c 100644
--- a/build.xml
+++ b/build.xml
@@ -105,6 +105,7 @@
     	<mkdir dir="${bootstrap.classes.build.dir}" />
         <mkdir dir="${ant.classes.build.dir}" />
         <mkdir dir="${optional.classes.build.dir}" />
+        <mkdir dir="${all.classes.build.dir}" />
         <mkdir dir="${test.build.dir}" />
         <mkdir dir="${artifacts.build.dir}" />
         <mkdir dir="${test.report.dir}" />
@@ -296,7 +297,12 @@
     		</filterchain>
     	</copy>
 
-        <!-- package the two ivy jars -->
+        <copy todir="${all.classes.build.dir}">
+            <fileset dir="${core.classes.build.dir}" />
+            <fileset dir="${ant.classes.build.dir}" />
+            <fileset dir="${optional.classes.build.dir}" />
+        </copy>
+
         <jar destfile="${artifacts.build.dir}/jars/${final.name}"
                 manifest="${artifacts.build.dir}/MANIFEST.MF">
             <metainf dir="${basedir}" includes="LICENSE,NOTICE" />
@@ -311,9 +317,7 @@
                 <attribute name="Extension-name" value="org.apache.ivy" />
                 <attribute name="Build-Version" value="${build.version}" />
             </manifest>
-            <fileset dir="${core.classes.build.dir}" />
-            <fileset dir="${ant.classes.build.dir}" />
-            <fileset dir="${optional.classes.build.dir}" />
+            <fileset dir="${all.classes.build.dir}" />
         </jar>
     	<!-- copy main jar to ease its use as an OSGi bundle -->
     	<copy file="${artifacts.build.dir}/jars/${final.name}"