diff --git a/lib/connection.js b/lib/connection.js
index 3d987af..272151e 100644
--- a/lib/connection.js
+++ b/lib/connection.js
@@ -43,7 +43,7 @@ module.exports = function Connection(opts) {
 
   var adaptor = module.adaptor(opts);
 
-  _.forEach(adaptor, function(prop, name) {
+  _.forIn(adaptor, function(prop, name) {
     if (name === "constructor") {
       return;
     }
@@ -56,7 +56,7 @@ module.exports = function Connection(opts) {
   if (testMode()) {
     var testAdaptor = Registry.findByAdaptor("test").adaptor(opts);
 
-    _.forEach(adaptor, function(prop, name) {
+    _.forIn(adaptor, function(prop, name) {
       if (_.isFunction(prop) && !testAdaptor[name]) {
         testAdaptor[name] = function() { return true; };
       }
diff --git a/lib/device.js b/lib/device.js
index ee1c974..75311c9 100644
--- a/lib/device.js
+++ b/lib/device.js
@@ -44,7 +44,7 @@ module.exports = function Device(opts) {
 
   var driver = module.driver(opts);
 
-  _.forEach(driver, function(prop, name) {
+  _.forIn(driver, function(prop, name) {
     if (name === "constructor") {
       return;
     }
@@ -57,7 +57,7 @@ module.exports = function Device(opts) {
   if (testMode()) {
     var testDriver = Registry.findByDriver("test").driver(opts);
 
-    _.forEach(driver, function(prop, name) {
+    _.forIn(driver, function(prop, name) {
       if (_.isFunction(prop) && !testDriver[name]) {
         testDriver[name] = function() { return true; };
       }