diff --git a/modules/gourmet/api_activateatlas.go b/modules/gourmet/api_activateatlas.go
index 19c46605d..ed03510b9 100644
--- a/modules/gourmet/api_activateatlas.go
+++ b/modules/gourmet/api_activateatlas.go
@@ -33,7 +33,7 @@ func (this *apiComp) ActivateAtlas(session comm.IUserSession, req *pb.GourmetAct
 		code = pb.ErrorCode_DBError
 		return
 	}
-	if v, ok := _gourmet.Atlas[req.Cid]; ok && v == -1 {
+	if v, ok := _gourmet.Atlas[req.Cid]; !ok || v != -1 {
 		code = pb.ErrorCode_ReqParameterError
 		return
 	}