diff --git a/scripts/_common.sh b/scripts/_common.sh
index aa74003..ffe8244 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -49,15 +49,6 @@ CHECK_SIZE () {	# Check if enough disk space available on backup storage
 	fi
 }
 
-CHECK_DOMAINPATH () {	# Check domain/path availability
-	yunohost app checkurl $domain$path_url -a $app
-}
-
-CHECK_FINALPATH () {	# Check if destination directory already exists
-	final_path="/var/www/$app"
-	test ! -e "$final_path" || ynh_die "This path already contains a folder"
-}
-
 
 # ============= FUTURE YUNOHOST HELPER =============
 # Delete a file checksum from the app settings
diff --git a/scripts/install b/scripts/install
index 83069e9..93fc374 100644
--- a/scripts/install
+++ b/scripts/install
@@ -31,9 +31,15 @@ admin=$YNH_APP_ARG_ADMIN
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
 #=================================================
 
+final_path=/var/www/$app
+test ! -e "$final_path" || ynh_die "This path already contains a folder"
+
 path_url=$(ynh_normalize_url_path $path_url)	# Check and normalize path
-CHECK_DOMAINPATH	# Check domain and path availability
-CHECK_FINALPATH # Check if destination directory is not already in use
+
+# Check web path availability
+ynh_webpath_available $domain $path_url
+# Register (book) web path
+ynh_webpath_register $app $domain $path_url
 
 #=================================================
 # STORE SETTINGS FROM MANIFEST
diff --git a/scripts/restore b/scripts/restore
index 8058237..87b6412 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -31,8 +31,10 @@ db_name=$(ynh_app_setting_get $app db_name)
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
 
-CHECK_DOMAINPATH	# Check domain and path availability
-CHECK_FINALPATH # Check if destination directory is not already in use
+ynh_webpath_available $domain $path_url \
+	|| ynh_die "Path not available: ${domain}${path_url}"
+test ! -d $final_path \
+	|| ynh_die "There is already a directory: $final_path "
 
 #=================================================
 # INSTALL DEPENDENCIES