diff --git a/server/invitation.go b/server/invitation.go
index 6aa0e7b..2e40f81 100644
--- a/server/invitation.go
+++ b/server/invitation.go
@@ -47,7 +47,7 @@ func (r *RedisRouter) StoreAnswerToInvitation(id string, timeout int, invitation
 }
 
 func (r *RedisRouter) GetAnswerToInvitation(id string) ([]byte, error) {
-	mwan, err := r.Client.Get("mwiv:" + id).Result()
+	mwan, err := r.Client.Get("mwan:" + id).Result()
 	if err != nil {
 		return nil, err
 	}