diff --git a/lib/document_stores/rethinkdb.js b/lib/document_stores/rethinkdb.js
index 3fa60dc..b7ee7ae 100644
--- a/lib/document_stores/rethinkdb.js
+++ b/lib/document_stores/rethinkdb.js
@@ -20,7 +20,7 @@ RethinkDBStore.md5 = (str) => {
 
 RethinkDBStore.prototype.set = (key, data, callback) => {
   try {
-    this.client.table('uploads').insert({ id: RethinkDBStore.md5(key), data: data }).run((error) =? {
+    this.client.table('uploads').insert({ id: RethinkDBStore.md5(key), data: data }).run((error) => {
       if (error) return callback(false);
       callback(true);
     });