diff --git a/lib/template.js b/lib/template.js
index 70d4cbea..14bd3abb 100755
--- a/lib/template.js
+++ b/lib/template.js
@@ -41,8 +41,8 @@ module.exports = exports = internals.Template = class {
             this._settings = Object.keys(opts).length ? clone(opts) : undefined;
             this._functions = functions;
             if (this._functions) {
-                Assert(Object.keys(this._functions).every((key) => typeof key === 'string'), 'Functions keys must be strings');
-                Assert(Object.values(this._functions).every((key) => typeof key === 'function'), 'Functions values must be functions');
+                assert(Object.keys(this._functions).every((key) => typeof key === 'string'), 'Functions keys must be strings');
+                assert(Object.values(this._functions).every((key) => typeof key === 'function'), 'Functions values must be functions');
             }
         }
         else {
diff --git a/test/errors.js b/test/errors.js
index 4acad25b..b5ac3a40 100755
--- a/test/errors.js
+++ b/test/errors.js
@@ -38,7 +38,7 @@ describe('errors', () => {
         const err = Joi.valid('foo').validate('bar', { errors: { stack: true } }).error;
         expect(err).to.be.an.error();
         expect(err.isJoi).to.be.true();
-        expect(err.stack).to.contain('at Object.exports.process');
+        expect(err.stack).to.contain('at exports.process');
     });
 
     it('supports custom errors when validating types', () => {