diff --git a/sdk/build.xml b/sdk/build.xml
index 7820244ca..6b239dffa 100644
--- a/sdk/build.xml
+++ b/sdk/build.xml
@@ -232,11 +232,17 @@
     <!--reverts svn changes (in case the revision numbers haven't been reset-->
     <target name="-revert-svn-changes">
         <!--remove changes from jMP (old version numbers)-->
+        <exec executable="svn" dir=".">
+            <arg value="cleanup" />
+        </exec>
         <exec executable="svn" dir=".">
             <arg value="revert" />
             <arg value="." />
             <arg value="-R" />
         </exec>
+        <exec executable="svn" dir=".">
+            <arg value="cleanup" />
+        </exec>
         <!--update gde svn revision-->
         <exec executable="svn" dir=".">
             <arg value="update" />