diff --git a/builder/amazon/common/step_encrypted_ami.go b/builder/amazon/common/step_encrypted_ami.go
index 40e985322..6a4c2967e 100644
--- a/builder/amazon/common/step_encrypted_ami.go
+++ b/builder/amazon/common/step_encrypted_ami.go
@@ -25,7 +25,7 @@ func (s *StepCreateEncryptedAMICopy) Run(state multistep.StateBag) multistep.Ste
 	// Encrypt boot not set, so skip step
 	if !s.EncryptBootVolume {
 		if kmsKeyId != "" {
-			log.Printf(fmt.Sprintf("Ignoring KMS Key ID: %s, encrypted=false", kmsKeyId))
+			log.Printf("Ignoring KMS Key ID: %s, encrypted=false", kmsKeyId)
 		}
 		return multistep.ActionContinue
 	}
diff --git a/builder/qemu/step_configure_vnc.go b/builder/qemu/step_configure_vnc.go
index d7bace29e..bda624f89 100644
--- a/builder/qemu/step_configure_vnc.go
+++ b/builder/qemu/step_configure_vnc.go
@@ -2,11 +2,12 @@ package qemu
 
 import (
 	"fmt"
-	"github.com/mitchellh/multistep"
-	"github.com/mitchellh/packer/packer"
 	"log"
 	"math/rand"
 	"net"
+
+	"github.com/mitchellh/multistep"
+	"github.com/mitchellh/packer/packer"
 )
 
 // This step configures the VM to enable the VNC server.
@@ -28,7 +29,7 @@ func (stepConfigureVNC) Run(state multistep.StateBag) multistep.StepAction {
 	// best.
 	msg := fmt.Sprintf("Looking for available port between %d and %d on %s", config.VNCPortMin, config.VNCPortMax, config.VNCBindAddress)
 	ui.Say(msg)
-	log.Printf(msg)
+	log.Print(msg)
 	var vncPort uint
 	portRange := int(config.VNCPortMax - config.VNCPortMin)
 	for {
diff --git a/provisioner/powershell/provisioner.go b/provisioner/powershell/provisioner.go
index 4d5ffadf7..8448cf819 100644
--- a/provisioner/powershell/provisioner.go
+++ b/provisioner/powershell/provisioner.go
@@ -317,7 +317,7 @@ func (p *Provisioner) retryable(f func() error) error {
 
 		// Create an error and log it
 		err = fmt.Errorf("Retryable error: %s", err)
-		log.Printf(err.Error())
+		log.Print(err.Error())
 
 		// Check if we timed out, otherwise we retry. It is safe to
 		// retry since the only error case above is if the command
diff --git a/provisioner/shell/provisioner.go b/provisioner/shell/provisioner.go
index f8a646d66..30468aee1 100644
--- a/provisioner/shell/provisioner.go
+++ b/provisioner/shell/provisioner.go
@@ -348,7 +348,7 @@ func (p *Provisioner) retryable(f func() error) error {
 
 		// Create an error and log it
 		err = fmt.Errorf("Retryable error: %s", err)
-		log.Printf(err.Error())
+		log.Print(err.Error())
 
 		// Check if we timed out, otherwise we retry. It is safe to
 		// retry since the only error case above is if the command
diff --git a/provisioner/windows-restart/provisioner.go b/provisioner/windows-restart/provisioner.go
index 139acc19a..ae58dd9d1 100644
--- a/provisioner/windows-restart/provisioner.go
+++ b/provisioner/windows-restart/provisioner.go
@@ -217,7 +217,7 @@ func (p *Provisioner) retryable(f func() error) error {
 
 		// Create an error and log it
 		err = fmt.Errorf("Retryable error: %s", err)
-		log.Printf(err.Error())
+		log.Print(err.Error())
 
 		// Check if we timed out, otherwise we retry. It is safe to
 		// retry since the only error case above is if the command
diff --git a/provisioner/windows-shell/provisioner.go b/provisioner/windows-shell/provisioner.go
index e770d867a..b0d50998f 100644
--- a/provisioner/windows-shell/provisioner.go
+++ b/provisioner/windows-shell/provisioner.go
@@ -270,7 +270,7 @@ func (p *Provisioner) retryable(f func() error) error {
 
 		// Create an error and log it
 		err = fmt.Errorf("Retryable error: %s", err)
-		log.Printf(err.Error())
+		log.Print(err.Error())
 
 		// Check if we timed out, otherwise we retry. It is safe to
 		// retry since the only error case above is if the command