diff --git a/common/config.go b/common/config.go
index 5631e8e5e..c79710221 100644
--- a/common/config.go
+++ b/common/config.go
@@ -8,6 +8,7 @@ import (
 	"regexp"
 	"strings"
 	"time"
+	"runtime"
 )
 
 // PackerKeyEnv is used to specify the key interval (delay) between keystrokes
diff --git a/common/config_test.go b/common/config_test.go
index 2eaa5a998..af26aeefa 100644
--- a/common/config_test.go
+++ b/common/config_test.go
@@ -7,6 +7,7 @@ import (
 	"path/filepath"
 	"strings"
 	"testing"
+	"runtime"
 )
 
 func TestChooseString(t *testing.T) {