diff --git a/components/isceobj/Alos2Proc/runRdrDemOffset.py b/components/isceobj/Alos2Proc/runRdrDemOffset.py
index c8dd292..c3c210d 100644
--- a/components/isceobj/Alos2Proc/runRdrDemOffset.py
+++ b/components/isceobj/Alos2Proc/runRdrDemOffset.py
@@ -247,6 +247,8 @@ def runRdrDemOffset(self):
         self._insar.radarDemAffineTransform = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0]
         catalog.addItem('warning message', 'too few points left after culling, {} left'.format(numCullOffsets), 'runRdrDemOffset')
 
+        os.chdir('../../')
+
         catalog.printToLog(logger, "runRdrDemOffset")
         self._insar.procDoc.addAllFromCatalog(catalog)