diff --git a/model/sensorconfig/Keys.go b/model/sensorconfig/Keys.go
index 675a22e..f58094c 100644
--- a/model/sensorconfig/Keys.go
+++ b/model/sensorconfig/Keys.go
@@ -5,7 +5,7 @@ type Keys struct {
 	Key    string `json:"key,omitempty"`
 }
 
-func KeysToMap(keys []Keys) map[string]string {
+func KeysToMap(keys []*Keys) map[string]string {
 
 	m := make(map[string]string)