diff --git a/cms/src/api/layer/content-types/layer/schema.json b/cms/src/api/layer/content-types/layer/schema.json
index 8fe1508..ae9001c 100644
--- a/cms/src/api/layer/content-types/layer/schema.json
+++ b/cms/src/api/layer/content-types/layer/schema.json
@@ -45,7 +45,7 @@
     },
     "download_link": {
       "type": "string",
-      "regex": "^(https?:\\/\\/)?(www\\.)?[a-zA-Z0-9-]+(\\.[a-zA-Z0-9-]+)+((\\/[\\w\\-\\._~:\\/\\?#\\[\\]@!$&'\\(\\)\\*+,;=]*)*)$"
+      "regex": "^(https?:\\/\\/)?(www\\.)?[a-zA-Z0-9-]+(\\.[a-zA-Z0-9-]+)+((\\/[a-zA-Z0-9\\-._~:/?#\\[\\]@!$&'()*+,;=\\s%]*)*)$"
     }
   }
 }