diff --git a/mobile/ethclient.go b/mobile/ethclient.go
index 67a3590645..662125c4ad 100644
--- a/mobile/ethclient.go
+++ b/mobile/ethclient.go
@@ -137,8 +137,8 @@ func (ec *EthereumClient) SubscribeNewHead(ctx *Context, handler NewHeadHandler,
 			case header := <-ch:
 				handler.OnNewHead(&Header{header})
 
-			case err, ok := <-rawSub.Err():
-				if ok {
+			case err := <-rawSub.Err():
+				if err != nil {
 					handler.OnError(err.Error())
 				}
 				return
@@ -228,8 +228,8 @@ func (ec *EthereumClient) SubscribeFilterLogs(ctx *Context, query *FilterQuery,
 			case log := <-ch:
 				handler.OnFilterLogs(&Log{&log})
 
-			case err, ok := <-rawSub.Err():
-				if ok {
+			case err := <-rawSub.Err():
+				if err != nil {
 					handler.OnError(err.Error())
 				}
 				return
diff --git a/mobile/shhclient.go b/mobile/shhclient.go
index f085ff71d0..4834bb2ba8 100644
--- a/mobile/shhclient.go
+++ b/mobile/shhclient.go
@@ -160,8 +160,8 @@ func (wc *WhisperClient) SubscribeMessages(ctx *Context, criteria *Criteria, han
 			case message := <-ch:
 				handler.OnNewMessage(&Message{message})
 
-			case err, ok := <-rawSub.Err():
-				if ok {
+			case err := <-rawSub.Err():
+				if err != nil {
 					handler.OnError(err.Error())
 				}
 				return
diff --git a/vendor/gopkg.in/check.v1/benchmark.go b/vendor/gopkg.in/check.v1/benchmark.go
index b2d351948d..c27f1251a6 100644
--- a/vendor/gopkg.in/check.v1/benchmark.go
+++ b/vendor/gopkg.in/check.v1/benchmark.go
@@ -1,5 +1,5 @@
 // Copyright (c) 2012 The Go Authors. All rights reserved.
-//
+// 
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met: