diff --git a/scripts/upgrade b/scripts/upgrade
index d3fa48f..8eb6fe1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -87,8 +87,20 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
+	# Create a temporary directory
+	tmpdir="$(mktemp -d)"
+
+	# Backup the config file in the temp dir
+	cp -a "$final_path/config/config.js" "$tmpdir/config.js"
+
 	# Download, check integrity, uncompress and patch the source from app.src
 	ynh_setup_source --dest_dir="$final_path"
+
+	# Copy the admin saved settings from tmp directory to final path	
+	cp -a "$tmpdir/config.js" "$final_path/config/config.js" 
+
+	# Remove the tmp directory securely
+	ynh_secure_remove --file="$tmpdir"
 fi
 
 #=================================================
@@ -111,7 +123,7 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 # CONFIGURE CONFIG.JS	
 #=================================================
 
-ynh_add_config --template="../conf/config.js" --destination="$final_path/config/config.js"
+#ynh_add_config --template="../conf/config.js" --destination="$final_path/config/config.js"
 
 #=================================================
 # INSTALL CRYPTPAD