diff --git a/AMDiS/postrm.in b/AMDiS/postrm.in
index f774705bbfcaa8b8ae4e6d6b439cd083ee6abc24..e4d08804d51d544f3b7e01d7782970acd732c37b 100644
--- a/AMDiS/postrm.in
+++ b/AMDiS/postrm.in
@@ -1,10 +1,13 @@
 #!/bin/sh
+if "$1" = "upgrade" ; then 
+  exit 0
+fi
 NEWDIRS_SEMI="@deb_add_dirs@"
 NEWDIRS=`echo ${NEWDIRS_SEMI} | sed 's/;/ /g'`
 BASEDIR=@CPACK_INSTALL_PREFIX@
 #echo "will create the remove directories:"
 for d in ${NEWDIRS}; do
 #  echo "${BASEDIR}${d}"
-   rm -rf ${BASEDIR}${d}
+   rm -r ${BASEDIR}${d} > /dev/null 2> /dev/null
 done
-
+exit 0