diff --git a/manifest.json b/manifest.json
index 4cfacff..b13a67d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
 		"en": "Upload a file in a simple way and give a unique link to it",
 		"fr": "Hébergez simplement un fichier et partagez-le avec un lien unique"
 	},
-	"version": "4.1.1~ynh3",
+	"version": "4.1.1~ynh4",
 	"url": "https://gitlab.com/mojo42/Jirafeau",
 	"license": "AGPL-3.0-only",
 	"maintainer": {
diff --git a/scripts/change_url b/scripts/change_url
index 18f18ff..126b57c 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -80,7 +80,7 @@ fi
 #=================================================
 
 # Change domain name in parameters.yml
-ynh_replace_string --match_string="\$cfg['web_root'] = .*" --replace_string="\$cfg['web_root'] = 'https://' . '$new_domain' . '${new_path%/}' . '/';" --target_file="$final_path/lib/config.local.php"
+ynh_replace_string --match_string="\$cfg\['web_root'\] = .*" --replace_string="\$cfg['web_root'] = 'https://' . '$new_domain' . '${new_path%/}' . '/';" --target_file="$final_path/lib/config.local.php"
 
 #=================================================
 # GENERIC FINALISATION