diff --git a/check_process b/check_process
index fefa192..8e42659 100644
--- a/check_process
+++ b/check_process
@@ -6,15 +6,11 @@
 ;; Test complet
 	; Manifest
 		domain="domain.tld"
-		path="/path"
-		admin="john"
-		language="fr"
+		path="/"
 		is_public=1
-		password="1Strong-Password"
-		port="666"
 	; Checks
 		pkg_linter=1
-		setup_sub_dir=1
+		setup_sub_dir=0
 		setup_root=1
 		setup_nourl=0
 		setup_private=1
@@ -24,7 +20,7 @@
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
-		change_url=1
+		change_url=0
 ;;; Options
 Email=
 Notification=none
diff --git a/manifest.json b/manifest.json
index 3c40935..c1ae03c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -37,8 +37,12 @@
             {
                 "name": "path",
                 "type": "path",
-                "example": "/cinny",
-                "default": "/cinny"
+                "example": "/",
+                "default": "/",
+                "help": {
+                    "en": "Cinny only supports to be installed on / for now.",
+                    "fr": "Cinny ne peut être installé que à la racine pour le moment."
+                }
             },
             {
                 "name": "is_public",
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 51b7f40..69bad41 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -11,6 +11,14 @@ nodejs_version=14
 # PERSONAL HELPERS
 #=================================================
 
+ynh_webpath_is_domain_root () {
+    local -A args_array=( [p]=path_url= )
+    local path_url
+    ynh_handle_getopts_args "$@"
+
+    [[ "$path_url" != "/" ]] && [[ "$path_url" != "" ]]
+}
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 1c9d1c3..43c7b65 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -62,6 +62,12 @@ then
 	change_path=1
 fi
 
+
+if ynh_webpath_is_domain_root -p "$new_path"; then
+	ynh_print_err "Cinny can only be installed on a domain root !"
+	ynh_die "Aborting."
+fi
+
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
diff --git a/scripts/install b/scripts/install
index db2d5ef..1b8819b 100755
--- a/scripts/install
+++ b/scripts/install
@@ -35,6 +35,12 @@ final_path=/var/www/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
 
 # Register (book) web path
+
+if ynh_webpath_is_domain_root -p "$path_url"; then
+	ynh_print_err "Cinny can only be installed on a domain root !"
+	ynh_die "Aborting."
+fi
+
 ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
 
 #=================================================