diff --git a/src/logic/tokens/store/actions/fetchTokens.ts b/src/logic/tokens/store/actions/fetchTokens.ts
index 0e178f47..83d551f2 100644
--- a/src/logic/tokens/store/actions/fetchTokens.ts
+++ b/src/logic/tokens/store/actions/fetchTokens.ts
@@ -34,7 +34,6 @@ const createERC721TokenContract = async () => {
   const web3 = getWeb3()
   const erc721Token = await contract(ERC721)
   erc721Token.setProvider(web3.currentProvider)
-
   return erc721Token
 }
 
diff --git a/src/logic/tokens/utils/tokenHelpers.ts b/src/logic/tokens/utils/tokenHelpers.ts
index 5160659c..eab9ec7e 100644
--- a/src/logic/tokens/utils/tokenHelpers.ts
+++ b/src/logic/tokens/utils/tokenHelpers.ts
@@ -51,11 +51,13 @@ export const isSendERC721Transaction = (tx: any, txCode: string, knownTokens: an
   )
 }
 
-export const getERC721Symbol = memoize(async (contractAddress) => {
-  const ERC21token = await getERC721TokenContract()
-  const tokenInstance = await ERC21token.at(contractAddress)
-  return tokenInstance.symbol()
-})
+export const getERC721Symbol = memoize(
+  async (contractAddress: string): Promise<string> => {
+    const ERC721token = await getERC721TokenContract()
+    const tokenInstance = await ERC721token.at(contractAddress)
+    return tokenInstance.symbol()
+  },
+)
 
 export const getERC20DecimalsAndSymbol = async (
   tokenAddress: string,