diff --git a/check_process b/check_process
index a127c9b..5d0a165 100644
--- a/check_process
+++ b/check_process
@@ -10,7 +10,6 @@
 		setup_private=0
 		setup_public=0
 		upgrade=1
-		upgrade=1    from_commit=e27175c2dde0ebbd483b212dc76c5b27877e4ed2
 		backup_restore=1
 		multi_instance=1
 		change_url=1
@@ -18,6 +17,6 @@
 Email=
 Notification=none
 ;;; Upgrade options
-	; commit=e27175c2dde0ebbd483b212dc76c5b27877e4ed2
-		name=Merge pull request #79 from ericgaspar/update-to-upstream 
+	; commit=
+		name=
 		manifest_arg=domain=DOMAIN&path=PATH
diff --git a/conf/app.src b/conf/app.src
index f753d4b..1066639 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
 SOURCE_URL=https://git.tt-rss.org/fox/tt-rss/archive/9d3c79498368fa99cfde684c759a1c40825aaaa9.tar.gz
-SOURCE_SUM=a5f2aae2b566a0d06a7dd6d7d9d39695c09c77e3b4fc76ca2a49c041499b30d5
+SOURCE_SUM=cb5a39a61f6319734606f06fafbb0eb60aa488cdc911ec84ee6738da533124cb
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 940b075..4c03a1d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
     "en": "News feed (RSS/Atom) reader and aggregator.",
     "fr": "Lecteur de flux d’actualité utilisant les protocoles RSS et Atom."
   },
-  "version": "20200916~ynh3",
+  "version": "20200916~ynh4",
   "url": "http://tt-rss.org",
   "license": "GPL-3.0-only",
   "maintainer": {
diff --git a/scripts/install b/scripts/install
index 0ec1c34..61f9753 100644
--- a/scripts/install
+++ b/scripts/install
@@ -97,15 +97,8 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 ynh_script_progression --message="Configuring ttrss..." --weight=1
 
-cp ../conf/config.php "$final_path/config.php"
-
-# Change variables in ttrss configuration
-ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config.php"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/config.php"
-ynh_replace_string --match_string="__DOMAIN_PATH__" --replace_string="https://$domain$path_url" --target_file="$final_path/config.php"
-
-# Recalculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$final_path/config.php"
+domain_path=https://$domain$path_url
+ynh_add_config --template="../conf/config.php" --destination="$final_path/config.php"
 
 #=================================================
 # SETUP SYSTEMD
@@ -130,7 +123,7 @@ ynh_script_progression --message="Initializing database..." --weight=6
 ynh_mysql_connect_as --user="$db_name" --password="$db_pwd" --database="$db_name" \
     < "$final_path/schema/ttrss_schema_mysql.sql"
 
-ynh_exec_as $app php"${phpversion}" ${final_path}/update.php --update-schema
+ynh_exec_as $app php${phpversion} ${final_path}/update.php --update-schema
 
 #=================================================
 # START TTRSS IN BACKGROUND
diff --git a/scripts/upgrade b/scripts/upgrade
index 9919054..c0ccfaa 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -126,19 +126,9 @@ then
 	ynh_secure_remove --file="$final_path"
 	mv "$tmpdir" "$final_path"
 	ynh_secure_remove --file="$tmpdir"
-
-	# Verify the checksum and backup the file if it's different
-	ynh_backup_if_checksum_is_different --file="$final_path/config.php"
-
-	cp ../conf/config.php "$final_path/config.php"
-
-	# Change variables in ttrss configuration
-	ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config.php"
-	ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/config.php"
-	ynh_replace_string --match_string="__DOMAIN_PATH__" --replace_string="https://$domain$path_url" --target_file="$final_path/config.php"
-
-	# Recalculate and store the config file checksum into the app settings
-	ynh_store_file_checksum --file="$final_path/config.php"
+  
+	domain_path=https://$domain$path_url
+	ynh_add_config --template="../conf/config.php" --destination="$final_path/config.php"
 
 	#=================================================
 	# UPGRADE DATABASE