diff --git a/api/grpc.go b/api/grpc.go
index c3765cdf59f7ae64dda21efc19b3bc81857c842f..6a475df699387bd5e6b78471c8775cecb7b83075 100644
--- a/api/grpc.go
+++ b/api/grpc.go
@@ -41,8 +41,7 @@ func Init(addr string) error {
 			log.Infof("SBI: %v", sbi)
 		}
 	}
-	viper.WriteConfig()
-	return nil
+	return viper.WriteConfig()
 }
 
 // GetIds requests all UUID information from the controller