diff --git a/src/scripts/reference/chains.json b/src/scripts/reference/chains.json
index f4747478426..e3f5422386b 100644
--- a/src/scripts/reference/chains.json
+++ b/src/scripts/reference/chains.json
@@ -609,7 +609,7 @@
     "name": "Base Sepolia Testnet",
     "chain": "ETH",
     "rpc": [
-      "https://https://sepolia.base.org",
+      "https://sepolia.base.org",
       "https://base-sepolia-rpc.publicnode.com",
       "wss://base-sepolia-rpc.publicnode.com"
     ],