diff --git a/cache2go/cache_store.go b/cache2go/cache_store.go
index 4d9cf94e2..68bfee99a 100644
--- a/cache2go/cache_store.go
+++ b/cache2go/cache_store.go
@@ -2,7 +2,6 @@
 package cache2go
 
 import (
-	"fmt"
 	"strings"
 	"sync"
 
@@ -95,7 +94,7 @@ func (cs cacheDoubleStore) GetKeysForPrefix(prefix string) (keys []string) {
 // easy to be counted exported by prefix
 type lrustore struct {
 	store map[string]*lru.Cache
-	sync.RWMutex
+	sync.Mutex
 }
 
 func newLruStore() *lrustore {
@@ -184,8 +183,8 @@ func (cs lrustore) Put(key string, value interface{}) {
 }
 
 func (cs lrustore) Get(key string) (interface{}, bool) {
-	cs.RLock()
-	defer cs.RUnlock()
+	cs.Lock()
+	defer cs.Unlock()
 	prefix, key := key[:PREFIX_LEN], key[PREFIX_LEN:]
 	if keyMap, ok := cs.store[prefix]; ok {
 		if ti, exists := keyMap.Get(key); exists {
@@ -211,8 +210,8 @@ func (cs lrustore) DeletePrefix(prefix string) {
 }
 
 func (cs lrustore) CountEntriesForPrefix(prefix string) int {
-	cs.RLock()
-	defer cs.RUnlock()
+	cs.Lock()
+	defer cs.Unlock()
 	if m, ok := cs.store[prefix]; ok {
 		return m.Len()
 	}
diff --git a/cache2go/cache_test.go b/cache2go/cache_test.go
index 3f0ac59cf..b95386d8b 100644
--- a/cache2go/cache_test.go
+++ b/cache2go/cache_test.go
@@ -1,6 +1,8 @@
 package cache2go
 
-import "testing"
+import (
+	"testing"
+)
 
 func TestRemKey(t *testing.T) {
 	Set("t11_mm", "test")
diff --git a/test.sh b/test.sh
index a54a4907e..8c6ab0558 100755
--- a/test.sh
+++ b/test.sh
@@ -1,4 +1,4 @@
 #! /usr/bin/env sh
 ./build.sh
 go test $(glide novendor)
-exit $?
\ No newline at end of file
+exit $?