diff --git a/tool/apt-fast-conf/aptss-apt.conf b/tool/apt-fast-conf/aptss-apt.conf
index a6e0d633..c96d3eef 100644
--- a/tool/apt-fast-conf/aptss-apt.conf
+++ b/tool/apt-fast-conf/aptss-apt.conf
@@ -3,7 +3,7 @@ Dir::Cache::archives "/var/cache/apt/archives";
 Dir::Cache "/var/lib/aptss/";
 Dir::Etc::SourceParts "/opt/durapps/spark-store/bin/apt-fast-conf/sources.list.d/";
 Dir::State::lists "/var/lib/aptss/lists/";
-
+APT::Sandbox::User "root";
 APT::Get::Fix-Broken true;
 APT::Get::List-Cleanup="0";