diff --git a/build.ant.xml b/build.ant.xml
index ca993607..16a3733b 100644
--- a/build.ant.xml
+++ b/build.ant.xml
@@ -340,11 +340,14 @@
             <arg path="${basedir}/examples/factur-x.xml"/>
         </exec>
     </target>
-    <target name="projectdoc" description="Generate documentation" depends="clean,downloadphpdocumentor">
+    <target name="projectdoc" description="Generate documentation">
+        <antcall target="clean"/>
+        <antcall target="downloadphpdocumentor"/>
         <delete dir="${basedir}/doc"/>
         <exec executable="php" dir="${basedir}/build">
             <arg path="${phpdocumentor}"/>
         </exec>
         <delete file="${phpdocumentor}"/>
+        <antcall target="clean"/>
     </target>
 </project>
\ No newline at end of file
diff --git a/build.xml b/build.xml
index 2e479e2d..5581a904 100644
--- a/build.xml
+++ b/build.xml
@@ -272,6 +272,7 @@
                     <arg path="${phpdocumentor}"/>
                 </exec>
                 <delete file="${phpdocumentor}"/>
+                <phingcall target="clean" />
             </then>
             <else>
                 <echo message="Build documentation only on PHP7.4 or higher" />