diff --git a/scripts/install b/scripts/install
index 58c5750..937f27a 100644
--- a/scripts/install
+++ b/scripts/install
@@ -115,6 +115,10 @@ mkdir -p "$final_path/distbin-db"
 mkdir -p "$final_path/distbin-db/activities"
 mkdir -p "$final_path/distbin-db/inbox"
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
+
 #=================================================
 # INSTALLING DISTBIN
 #=================================================
@@ -124,7 +128,7 @@ pushd $final_path
 	ynh_use_nodejs
 	ynh_exec_warn_less sudo -u $app $ynh_node_load_PATH $ynh_npm install --ignore-scripts
 	ynh_exec_warn_less sudo -u $app $ynh_node_load_PATH $ynh_npm run build
-	cp package* dist/ 
+	sudo -u $app cp -af package* dist/ 
 popd
 
 pushd $final_path/dist
diff --git a/scripts/upgrade b/scripts/upgrade
index 75fcdf5..dbb4f0e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -125,6 +125,10 @@ if [ -d "$DIRECTORY" ]; then
 	mv "$final_path/db" "$final_path/distbin-db"
 fi
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
+
 #=================================================
 # MAKE UPGRADE
 #=================================================
@@ -134,7 +138,7 @@ pushd $final_path
 	ynh_use_nodejs
 	ynh_exec_warn_less sudo -u $app $ynh_node_load_PATH $ynh_npm install --ignore-scripts
 	ynh_exec_warn_less sudo -u $app $ynh_node_load_PATH $ynh_npm run build
-	cp package* dist/ 
+	sudo -u $app cp -af package* dist/ 
 popd
 
 pushd $final_path/dist