diff --git a/iptables/iptables.go b/iptables/iptables.go
index f8b3aa7..204d703 100644
--- a/iptables/iptables.go
+++ b/iptables/iptables.go
@@ -41,7 +41,7 @@ type ChainError struct {
 	Output []byte
 }
 
-func (e *ChainError) Error() string {
+func (e ChainError) Error() string {
 	return fmt.Sprintf("Error iptables %s: %s", e.Chain, string(e.Output))
 }
 
@@ -142,7 +142,7 @@ func (c *Chain) Forward(action Action, ip net.IP, port int, proto, destAddr stri
 		"--to-destination", net.JoinHostPort(destAddr, strconv.Itoa(destPort))); err != nil {
 		return err
 	} else if len(output) != 0 {
-		return &ChainError{Chain: "FORWARD", Output: output}
+		return ChainError{Chain: "FORWARD", Output: output}
 	}
 
 	if output, err := Raw("-t", string(Filter), string(action), c.Name,
@@ -154,7 +154,7 @@ func (c *Chain) Forward(action Action, ip net.IP, port int, proto, destAddr stri
 		"-j", "ACCEPT"); err != nil {
 		return err
 	} else if len(output) != 0 {
-		return &ChainError{Chain: "FORWARD", Output: output}
+		return ChainError{Chain: "FORWARD", Output: output}
 	}
 
 	if output, err := Raw("-t", string(Nat), string(action), "POSTROUTING",
@@ -165,7 +165,7 @@ func (c *Chain) Forward(action Action, ip net.IP, port int, proto, destAddr stri
 		"-j", "MASQUERADE"); err != nil {
 		return err
 	} else if len(output) != 0 {
-		return &ChainError{Chain: "FORWARD", Output: output}
+		return ChainError{Chain: "FORWARD", Output: output}
 	}
 
 	return nil
@@ -208,7 +208,7 @@ func (c *Chain) Prerouting(action Action, args ...string) error {
 	if output, err := Raw(append(a, "-j", c.Name)...); err != nil {
 		return err
 	} else if len(output) != 0 {
-		return &ChainError{Chain: "PREROUTING", Output: output}
+		return ChainError{Chain: "PREROUTING", Output: output}
 	}
 	return nil
 }
@@ -222,7 +222,7 @@ func (c *Chain) Output(action Action, args ...string) error {
 	if output, err := Raw(append(a, "-j", c.Name)...); err != nil {
 		return err
 	} else if len(output) != 0 {
-		return &ChainError{Chain: "OUTPUT", Output: output}
+		return ChainError{Chain: "OUTPUT", Output: output}
 	}
 	return nil
 }
diff --git a/streamformatter/streamformatter.go b/streamformatter/streamformatter.go
index 383e7ad..90f2b69 100644
--- a/streamformatter/streamformatter.go
+++ b/streamformatter/streamformatter.go
@@ -3,8 +3,9 @@ package streamformatter
 import (
 	"encoding/json"
 	"fmt"
-	"github.com/docker/docker/pkg/jsonmessage"
 	"io"
+
+	"github.com/docker/docker/pkg/jsonmessage"
 )
 
 type StreamFormatter struct {
diff --git a/streamformatter/streamformatter_test.go b/streamformatter/streamformatter_test.go
index edc432e..1dee05a 100644
--- a/streamformatter/streamformatter_test.go
+++ b/streamformatter/streamformatter_test.go
@@ -3,9 +3,10 @@ package streamformatter
 import (
 	"encoding/json"
 	"errors"
-	"github.com/docker/docker/pkg/jsonmessage"
 	"reflect"
 	"testing"
+
+	"github.com/docker/docker/pkg/jsonmessage"
 )
 
 func TestFormatStream(t *testing.T) {