1 files changed, 7 insertions, 2 deletions
diff --git a/pkg/server/automap.go b/pkg/server/automap.go
index 67ae5b0..f38f758 100644
--- a/pkg/server/automap.go
+++ b/pkg/server/automap.go
@@ -10,16 +10,21 @@ type automap map[string]interface{}
 var errExists = errors.New("already exists")
 var errNotFound = errors.New("no such entry")
 
-func (m automap) add(v interface{}) string {
+func (m automap) next() string {
 	for n := 1; ; n++ {
 		k := fmt.Sprintf("%d", n)
 		if _, ok := m[k]; !ok {
-			m[k] = v
 			return k
 		}
 	}
 }
 
+func (m automap) add(v interface{}) string {
+	k := m.next()
+	m[k] = v
+	return k
+}
+
 func (m automap) rename(old string, new string) (interface{}, error) {
 	if _, ok := m[old]; !ok {
 		return nil, errNotFound