diff --git a/build/build.xml b/build/build.xml
index 11fbf63d..97d6d562 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -67,8 +67,8 @@
         <echo message=" javadocs   --> generates the API docs"/>
         <echo message=" docs       --> tries to retrieve the HTML documentation "/>
         <echo message="                (may need proxy settings in startscript)"/>
-        <echo message=" package    --> generates the distribution (zip and tgz)"/>
-        <echo message=" antclick   --> generates the distribution (zip and tgz)"/>
+        <echo message=" package    --> generates the distribution (zip and tar.gz)"/>
+        <echo message=" antclick   --> generates the distribution (zip and tar.gz)"/>
         <echo message="                with antville preconfigured"/>
         <echo message=" app [name] --> gets an application from the cvs and zips it"/>
         <echo message=""/>
@@ -233,7 +233,7 @@
                   <include name="${build.src}/**"/>
              </tarfileset>
         </tar>
-        <gzip zipfile="${build.work}/src/helma-src.tgz" src="${build.work}/src/helma-src.tar"/>
+        <gzip zipfile="${build.work}/src/helma-src.tar.gz" src="${build.work}/src/helma-src.tar"/>
         <delete file="${build.work}/src/helma-src.tar"/ -->
     </target>
 
@@ -287,7 +287,7 @@
                 <exclude name="hop.sh"/>
             </tarfileset>
         </tar>
-        <gzip zipfile="${build.dist}/${filename}.tgz" src="${build.dist}/${filename}.tar"/>
+        <gzip zipfile="${build.dist}/${filename}.tar.gz" src="${build.dist}/${filename}.tar"/>
         <delete file="${build.dist}/${filename}.tar"/>
     </target>
 
@@ -315,7 +315,7 @@
             <tarfileset prefix="${filename}" dir="${home.dir}"
                 includes="src/**,build/**,license.txt,licenses/**"/>
         </tar>
-        <gzip zipfile="${build.dist}/${filename}-src.tgz" src="${build.dist}/${filename}-src.tar"/>
+        <gzip zipfile="${build.dist}/${filename}-src.tar.gz" src="${build.dist}/${filename}-src.tar"/>
         <delete file="${build.dist}/${filename}-src.tar"/>
     </target>
 
@@ -398,7 +398,7 @@
             <include name="${build.work}/**"/>
         </tarfileset>
         </tar>
-        <gzip zipfile="${build.dist}/${application}-${DSTAMP}.tgz" src="${build.dist}/${application}-${DSTAMP}.tar" />
+        <gzip zipfile="${build.dist}/${application}-${DSTAMP}.tar.gz" src="${build.dist}/${application}-${DSTAMP}.tar" />
 
         <delete file="${build.dist}/${application}-${DSTAMP}.tar" />
         <delete dir="${build.work}" />