1 files changed, 3 insertions, 1 deletions
diff --git a/packages/website/ts/web3_wrapper.ts b/packages/website/ts/web3_wrapper.ts
index 00b18a266..1e2f8ff5d 100644
--- a/packages/website/ts/web3_wrapper.ts
+++ b/packages/website/ts/web3_wrapper.ts
@@ -150,6 +150,8 @@ export class Web3Wrapper {
         }
     }
     private _stopEmittingNetworkConnectionAndUserBalanceStateAsync() {
-        intervalUtils.clearAsyncExcludingInterval(this._watchNetworkAndBalanceIntervalId);
+        if (!_.isUndefined(this._watchNetworkAndBalanceIntervalId)) {
+            intervalUtils.clearAsyncExcludingInterval(this._watchNetworkAndBalanceIntervalId);
+        }
     }
 }