diff --git a/client/driver/logging/rotator.go b/client/driver/logging/rotator.go
index d44e9d355..d106900d2 100644
--- a/client/driver/logging/rotator.go
+++ b/client/driver/logging/rotator.go
@@ -40,7 +40,7 @@ type FileRotator struct {
 	currentWr int64
 
 	logger  *log.Logger
-	purgeCh chan interface{}
+	purgeCh chan struct{}
 }
 
 // NewFileRotator returns a new file rotator
@@ -54,7 +54,7 @@ func NewFileRotator(path string, baseFile string, maxFiles int,
 		baseFileName: baseFile,
 
 		logger:  logger,
-		purgeCh: make(chan interface{}),
+		purgeCh: make(chan struct{}, 1),
 	}
 	if err := rotator.lastFile(); err != nil {
 		return nil, err
@@ -128,7 +128,7 @@ func (f *FileRotator) nextFile() error {
 	// Purge old files if we have more files than MaxFiles
 	if f.logFileIdx-f.oldestLogFileIdx >= f.MaxFiles {
 		select {
-		case f.purgeCh <- new(interface{}):
+		case f.purgeCh <- struct{}{}:
 		default:
 		}
 	}
diff --git a/client/driver/logging/syslog_parser_test.go b/client/driver/logging/syslog_parser_test.go
index 55503eee9..4f1416a1a 100644
--- a/client/driver/logging/syslog_parser_test.go
+++ b/client/driver/logging/syslog_parser_test.go
@@ -3,13 +3,15 @@
 package logging
 
 import (
+	"log"
 	"log/syslog"
+	"os"
 	"testing"
 )
 
 func TestLogParser_Priority(t *testing.T) {
 	line := []byte("<30>2016-02-10T10:16:43-08:00 d-thinkpad docker/e2a1e3ebd3a3[22950]: 1:C 10 Feb 18:16:43.391 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf")
-	d := NewDockerLogParser(line)
+	d := NewDockerLogParser(log.New(os.Stdout, "", log.LstdFlags))
 	p, _, err := d.parsePriority(line)
 	if err != nil {
 		t.Fatalf("got an err: %v", err)