diff --git a/metadata.json b/metadata.json
index 4efdd05..35aef50 100644
--- a/metadata.json
+++ b/metadata.json
@@ -13,7 +13,7 @@
   "operatingsystem_support": [
     {
       "operatingsystem": "RedHat",
-      "operatingsystemrelease": [ "7, "8" ]
+      "operatingsystemrelease": [ "7", "8" ]
     },
     {
       "operatingsystem": "CentOS",