diff --git a/lib/transport/rest/protocol/deserializer.js b/lib/transport/rest/protocol/deserializer.js
index 34594f6..272c771 100644
--- a/lib/transport/rest/protocol/deserializer.js
+++ b/lib/transport/rest/protocol/deserializer.js
@@ -38,7 +38,7 @@ function deserializeDocument (serialized) {
     return res;
   }
   catch (e) {
-    throw new errors.Request(serialized + " error:" + e);
+    throw new errors.Request(serialized + " error:" + JSON.stringify(e));
   }
 }
 
diff --git a/test/db/query-test.js b/test/db/query-test.js
index 2048514..464b3dd 100644
--- a/test/db/query-test.js
+++ b/test/db/query-test.js
@@ -264,7 +264,7 @@ describe("Database API - Query", function () {
         });
     });
     it('should select a record by its RID', function () {
-      return this.db.select().from('OUser').where({'@rid': new LIB.RID('#5:0')}).one()
+      return this.db.select().from('OUser').where({'@rid': new LIB.RID('#6:0')}).one()
         .then(function (user) {
           expect(typeof user).to.equal('object');
           user.name.should.equal('admin');
@@ -388,7 +388,7 @@ describe("Database API - Query", function () {
         name: 'reader',
         password: 'mynewerpassword',
         status: 'active',
-        roles: ["#4:1"],
+        roles: ["#5:1"],
         foo: 'bar'};
       return this.db.update('OUser').content(updatedUser).where({name: 'reader'}).limit(1).scalar()
         .then(function (count) {