diff --git a/models/artifact.js b/models/artifact.js
index 604a372..61d7e4a 100644
--- a/models/artifact.js
+++ b/models/artifact.js
@@ -3,7 +3,7 @@
 var mongoose = require('mongoose');
 var Schema = mongoose.Schema;
 
-module.exports.artifactSchema = mongoose.model('Artifact', {
+module.exports.artifactSchema = Schema({
   mime: String,
   thumbnail_uri: String,
   space_id: Schema.Types.ObjectId,