diff --git a/libraries/metrics/test/unit/coffee/timeAsyncMethodTests.coffee b/libraries/metrics/test/unit/coffee/timeAsyncMethodTests.coffee
index c606b5f719..7cb8ad7aa5 100644
--- a/libraries/metrics/test/unit/coffee/timeAsyncMethodTests.coffee
+++ b/libraries/metrics/test/unit/coffee/timeAsyncMethodTests.coffee
@@ -90,8 +90,8 @@ describe 'timeAsyncMethod', ->
 
 	describe 'when the wrapped function is not using a callback', ->
 		beforeEach ->
-			@testObject.nextNumber = (n) ->
-				return n+1
+			@realMethod =  sinon.stub().returns(42)
+			@testObject.nextNumber = @realMethod
 
 		it 'should not throw an error', ->
 			@timeAsyncMethod @testObject, 'nextNumber', 'test.nextNumber'
@@ -99,4 +99,11 @@ describe 'timeAsyncMethod', ->
 				@testObject.nextNumber 2
 			expect(badCall).to.not.throw(Error)
 
+		it 'should call the underlying method', ->
+			@timeAsyncMethod @testObject, 'nextNumber', 'test.nextNumber'
+			result = @testObject.nextNumber(12)
+			expect(@realMethod.callCount).to.equal 1
+			expect(@realMethod.calledWith(12)).to.equal true
+			expect(result).to.equal 42
+
 
diff --git a/libraries/metrics/timeAsyncMethod.coffee b/libraries/metrics/timeAsyncMethod.coffee
index b90e2b8971..4134086418 100644
--- a/libraries/metrics/timeAsyncMethod.coffee
+++ b/libraries/metrics/timeAsyncMethod.coffee
@@ -13,7 +13,9 @@ module.exports = (obj, methodName, prefix, logger) ->
 		[firstArgs..., callback] = originalArgs
 
 		if !callback? || typeof callback != 'function'
-			logger.log "[Metrics] expected wrapped method '#{methodName}' to be invoked with a callback"
+			if logger?
+				logger.log "[Metrics] expected wrapped method '#{methodName}' to be invoked with a callback"
+			return realMethod.apply this, originalArgs
 
 		timer = new metrics.Timer(key)