diff --git a/src/lib/token_list_gen.ts b/src/lib/token_list_gen.ts
index cc72f8a6..43c3d5e7 100644
--- a/src/lib/token_list_gen.ts
+++ b/src/lib/token_list_gen.ts
@@ -324,7 +324,7 @@ export const generateTokenList = async (
     name:
       options && options.preserveListName
         ? name
-        : listNameToArbifiedListName(name),
+        : listNameToArbifiedListName(name, l2.network.chainID),
     timestamp: new Date().toISOString(),
     version,
     tokens: arbifiedTokenList,
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index 18bcd926..7872d319 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -49,14 +49,19 @@ for (const address of Object.keys(logoUris)) {
   logoUris[address.toLowerCase()] = logoUris[address];
 }
 
-export const listNameToArbifiedListName = (name: string) => {
+export const listNameToArbifiedListName = (
+  name: string,
+  childChainId: number,
+) => {
   const prefix = 'Arbed ';
 
   let fileName = sanitizeNameString(name);
   if (!fileName.startsWith(prefix)) {
     fileName = prefix + fileName;
   }
-  return fileName.split(' ').slice(0, 2).join(' ').slice(0, 20);
+
+  const baseName = fileName.split(' ').slice(0, 2).join(' ').slice(0, 20);
+  return `${baseName} ${childChainId}`;
 };
 
 export const getL1TokenAndL2Gateway = async (