diff --git a/build.xml b/build.xml
index f6478e432..0600e1fbe 100644
--- a/build.xml
+++ b/build.xml
@@ -27,11 +27,12 @@
     </target>
 
     <target name="clean" description="Cleanup build artifacts">
-    <delete dir="${basedir}/build/api"/>
-    <delete dir="${basedir}/build/code-browser"/>
-    <delete dir="${basedir}/build/coverage"/>
-    <delete dir="${basedir}/build/logs"/>
-    <delete dir="${basedir}/build/pdepend"/>
+        <delete dir="${basedir}/build/api"/>
+        <delete dir="${basedir}/build/code-browser"/>
+        <delete dir="${basedir}/build/coverage"/>
+        <delete dir="${basedir}/build/logs"/>
+        <delete dir="${basedir}/build/pdepend"/>
+        <delete dir="${basedir}/build/docs"/>
     </target>
 
     <target name="prepare" depends="clean" description="Prepare for build">
@@ -41,6 +42,8 @@
         <mkdir dir="${basedir}/build/logs"/>
         <mkdir dir="${basedir}/build/pdepend"/>
         <mkdir dir="${basedir}/build/phpdox"/>
+        <mkdir dir="${basedir}/build/docs"/>
+        <mkdir dir="${basedir}/build/docs/html"/>
     </target>
 
  <target name="lint" description="Perform syntax check of sourcecode files">