diff --git a/scripts/99_software.sh b/scripts/99_software.sh
index 5fe662d..634b869 100644
--- a/scripts/99_software.sh
+++ b/scripts/99_software.sh
@@ -54,6 +54,9 @@ if [ ${operation} == "update" ] ; then
 
     trg_file=/tmp/packages.txt
 
+    rm -rf ${trg_file}
+    rm -rf ${trg_file}.tmp
+
     wget -q ${package_list_url} -O ${trg_file}
 
     if ! [ -s ${trg_file} ] ; then