Check balance before testing it w/ isZero (#6898)

5 years ago · fc3b035aac
parent e81aa6073d
commit fc3b035aac
1 changed files with 1 additions and 1 deletions
--- a/app/scripts/controllers/detect-tokens.js
+++ b/app/scripts/controllers/detect-tokens.js
@ -47,7 +47,7 @@ class DetectTokensController {
      }
      tokensToDetect.forEach((tokenAddress, index) => {
        const balance = result[index]
-        if (!balance.isZero()) {
+        if (balance && !balance.isZero()) {
          this._preferences.addToken(tokenAddress, contracts[tokenAddress].symbol, contracts[tokenAddress].decimals)
        }
      })