diff --git a/packages/assets-controllers/src/assetsUtil.test.ts b/packages/assets-controllers/src/assetsUtil.test.ts
index 634444e04b..9e22e7d9f1 100644
--- a/packages/assets-controllers/src/assetsUtil.test.ts
+++ b/packages/assets-controllers/src/assetsUtil.test.ts
@@ -273,6 +273,14 @@ describe('assetsUtil', () => {
       ).toBe(true);
     });
 
+    it('returns true for DeFi Oracle Meta Mainnet (138)', () => {
+      expect(
+        assetsUtil.isTokenDetectionSupportedForNetwork(
+          assetsUtil.SupportedTokenDetectionNetworks.DefiOracleMeta,
+        ),
+      ).toBe(true);
+    });
+
     it('returns false for testnets such as Goerli', () => {
       expect(assetsUtil.isTokenDetectionSupportedForNetwork(toHex(5))).toBe(
         false,
diff --git a/packages/assets-controllers/src/assetsUtil.ts b/packages/assets-controllers/src/assetsUtil.ts
index 11b08db00f..c967be6ee0 100644
--- a/packages/assets-controllers/src/assetsUtil.ts
+++ b/packages/assets-controllers/src/assetsUtil.ts
@@ -164,6 +164,7 @@ export enum SupportedTokenDetectionNetworks {
   MonadMainnet = '0x8f', // decimal: 143
   Hyperevm = '0x3e7', // decimal: 999
   Arc = '0x13b2', // decimal: 5042
+  DefiOracleMeta = '0x8a', // decimal: 138 — DeFi Oracle Meta Mainnet
 }
 
 /**
diff --git a/packages/assets-controllers/src/constants.ts b/packages/assets-controllers/src/constants.ts
index 4fd82ee38c..18e7f4d012 100644
--- a/packages/assets-controllers/src/constants.ts
+++ b/packages/assets-controllers/src/constants.ts
@@ -21,6 +21,7 @@ export const SUPPORTED_NETWORKS_ACCOUNTS_API_V4 = [
   '0x8f', // 143
   '0x3e7', // 999 HyperEVM
   '0x13b2', // 5042 Arc
+  '0x8a', // 138 DeFi Oracle Meta Mainnet
 ];
 
 /** Lowercase ERC-20 address for MetaMask USD (mUSD), same contract on listed chains. */