Ensure listener is cleaned up

Also fixed bug when validating a tx with no value.

1 files changed, 1 insertions, 0 deletions

diff --git a/app/scripts/background.js b/app/scripts/background.js
index 21a5eea65..18aaed7bf 100644
--- a/app/scripts/background.js
+++ b/app/scripts/background.js
@@ -86,6 +86,7 @@ function setupControllerConnection (stream) {
   stream.pipe(dnode).pipe(stream)
   dnode.on('remote', (remote) => {
     // push updates to popup
+    controller.ethStore.removeListener('update', controller.sendUpdate.bind(controller))
     controller.ethStore.on('update', controller.sendUpdate.bind(controller))
     controller.listeners.push(remote)
     idStore.on('update', controller.sendUpdate.bind(controller))