diff --git a/src/controllers/PreferencesController.js b/src/controllers/PreferencesController.js
index f0d7d8c8b..335dd40a2 100644
--- a/src/controllers/PreferencesController.js
+++ b/src/controllers/PreferencesController.js
@@ -839,7 +839,7 @@ class PreferencesController extends SafeEventEmitter {
         const req = this.getAddChainRequest(id)
         switch (data.status) {
           case 'approved':
-            return resolve()
+            return resolve('null') // https://docs.metamask.io/wallet/reference/wallet_addethereumchain/
           case 'rejected':
             return reject(ethErrors.provider.userRejectedRequest(`Torus add chain: ${req.errorMsg || 'User denied add chain request.'}`))
           default:
@@ -920,7 +920,7 @@ class PreferencesController extends SafeEventEmitter {
         blockExplorer: block_explorer_url || undefined,
       }
 
-      await this.addCustomNetwork(RPC, customNetwork)
+      this.addCustomNetwork(RPC, customNetwork)
       this._setAddChainReqStatus(addChainReqId, 'approved')
     } catch (error) {
       log.error('error while approving add chain', error)
diff --git a/src/controllers/network/NetworkController.js b/src/controllers/network/NetworkController.js
index 9b26151ab..20131e83c 100644
--- a/src/controllers/network/NetworkController.js
+++ b/src/controllers/network/NetworkController.js
@@ -131,7 +131,7 @@ export default class NetworkController extends EventEmitter {
         const req = this.getSwitchChainRequest(id)
         switch (data.status) {
           case 'approved':
-            return resolve()
+            return resolve('null')
           case 'rejected':
             return reject(ethErrors.provider.userRejectedRequest(`Torus switch chain method: ${req.errorMsg || 'User denied switch chain request.'}`))
           default:
diff --git a/src/controllers/network/createMetamaskMiddleware.js b/src/controllers/network/createMetamaskMiddleware.js
index 1b3665edb..a86cee00e 100644
--- a/src/controllers/network/createMetamaskMiddleware.js
+++ b/src/controllers/network/createMetamaskMiddleware.js
@@ -68,7 +68,12 @@ export function createAddChainMiddleware({ processAddChain }) {
       }
      */
 
-    const { chainId, rpcUrls, nativeCurrency } = request.params || {}
+    let finalObj = {}
+
+    if (Array.isArray(request.params)) finalObj = request.params[0]
+    else finalObj = request.params
+
+    const { chainId, rpcUrls, nativeCurrency } = finalObj || {}
     if (!chainId) throw new Error('createAddChainMiddleware - params.chainId not provided')
     if (!rpcUrls || rpcUrls.length === 0) throw new Error('createAddChainMiddleware - params.rpcUrls not provided')
     if (!nativeCurrency) throw new Error('createAddChainMiddleware - params.nativeCurrency not provided')
@@ -78,7 +83,7 @@ export function createAddChainMiddleware({ processAddChain }) {
     if (!symbol) throw new Error('createAddChainMiddleware - params.nativeCurrency.symbol not provided')
     if (decimals === undefined) throw new Error('createAddChainMiddleware - params.nativeCurrency.decimals not provided')
 
-    response.result = await processAddChain(request.params, request)
+    response.result = await processAddChain(finalObj, request)
     return undefined
   })
 }
@@ -95,10 +100,15 @@ export function createSwitchChainMiddleware({ processSwitchChain }) {
       }
      */
 
-    const { chainId } = request.params || {}
+    let finalObj = {}
+
+    if (Array.isArray(request.params)) finalObj = request.params[0]
+    else finalObj = request.params
+
+    const { chainId } = finalObj || {}
     if (!chainId) throw new Error('createSwitchChainMiddleware - params.chainId not provided')
 
-    response.result = await processSwitchChain(request.params, request)
+    response.result = await processSwitchChain(finalObj, request)
     return undefined
   })
 }