diff --git a/res/composer-schema.json b/res/composer-schema.json
index e4e460b89..b09c095cc 100644
--- a/res/composer-schema.json
+++ b/res/composer-schema.json
@@ -6,7 +6,7 @@
         "name": {
             "type": "string",
             "description": "Package name, including 'vendor-name/' prefix.",
-            "pattern": "^[a-z0-9]([_.-]?[a-z0-9]++)*+/[a-z0-9](([_.]|-{1,2})?[a-z0-9]++)*+$"
+            "pattern": "^[a-z0-9]([_.-]?[a-z0-9]++)*+\/[a-z0-9](([_.]|-{1,2})?[a-z0-9]++)*+$"
         },
         "description": {
             "type": "string",