diff --git a/constants/additionalChainRegistry/chainid-9889.js b/constants/additionalChainRegistry/chainid-9889.js
new file mode 100644
index 0000000000..6a0148335c
--- /dev/null
+++ b/constants/additionalChainRegistry/chainid-9889.js
@@ -0,0 +1,16 @@
+export const data = {
+    "name": "Fuel Mainnet",
+    "chain": "FUEL",
+    "rpc": [],
+    "features": [],
+    "faucets": [],
+    "nativeCurrency": {
+      "name": "Ether",
+      "symbol": "ETH",
+      "decimals": 18
+    },
+    "infoURL": "https://docs.fuel.network/",
+    "shortName": "fuel",
+    "chainId": 9889,
+    "networkId": 9889,
+};