diff --git a/packages/config/src/json/json.config.ts b/packages/config/src/json/json.config.ts
index 7e079af3c..f7d58255e 100644
--- a/packages/config/src/json/json.config.ts
+++ b/packages/config/src/json/json.config.ts
@@ -33,7 +33,8 @@ const Q = PLimit(10);
 
 export function guessIdFromUri(uri: string): string | null {
   const parts = uri.split('/');
-  const id = parts.pop();
+  let id = parts.pop();
+  if (uri.endsWith('/')) id = parts.pop();
 
   if (id == null) return null;
   try {