diff --git a/build/build.xml b/build/build.xml
index b11f1d986..f94e7975c 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -187,14 +187,14 @@
       <param name="final_folder" value="${target.path}/libraries/Firmata-2.4.3" />
       <param name="dest_folder" value="${target.path}/libraries" />
     </antcall>
-	<move file="${target.path}/libraries/Firmata-2.4.3" tofile="${target.path}/libraries/Firmata" />
+    <move file="${target.path}/libraries/Firmata-2.4.3" tofile="${target.path}/libraries/Firmata" />
     <antcall target="unzip">
       <param name="archive_file" value="Temboo-1.1.2.zip" />
       <param name="archive_url" value="https://github.com/temboo/Temboo/archive/1.1.2.zip" />
       <param name="final_folder" value="${target.path}/libraries/Temboo-1.1.2" />
       <param name="dest_folder" value="${target.path}/libraries" />
     </antcall>
-	<move file="${target.path}/libraries/Temboo-1.1.2" tofile="${target.path}/libraries/Temboo" />
+    <move file="${target.path}/libraries/Temboo-1.1.2" tofile="${target.path}/libraries/Temboo" />
   </target>
 
   <!-- copy hardware folder -->