diff --git a/scripts/install b/scripts/install
index 13aaded..429d3d8 100644
--- a/scripts/install
+++ b/scripts/install
@@ -87,6 +87,10 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 ynh_setup_source --dest_dir="../conf"
 ynh_setup_source --source_id="jenkins-plugin-manager" --dest_dir="$final_path"
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index cc7e356..c29780a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -104,6 +104,10 @@ then
 	# Download jenkins deb file and install it.
 	ynh_setup_source --dest_dir="../conf"
 	ynh_setup_source --source_id="jenkins-plugin-manager" --dest_dir="$final_path"
+	chmod 750 "$final_path"
+	chmod -R o-rwx "$final_path"
+	chown -R $app:$app "$final_path"
+
 	dpkg --install --force-confnew ../conf/jenkins.deb
 
 	#=================================================