diff --git a/lib/getobject.js b/lib/getobject.js
index e4006fe..881f695 100644
--- a/lib/getobject.js
+++ b/lib/getobject.js
@@ -23,6 +23,8 @@ function getParts(str) {
 getobject.get = function(obj, parts, create) {
   if (typeof parts === 'string') {
     parts = getParts(parts);
+  } else {
+    parts = parts.slice(0);
   }
 
   var part;
@@ -40,7 +42,11 @@ getobject.get = function(obj, parts, create) {
 // Set a deeply-nested property in an object, creating intermediary objects
 // as we go.
 getobject.set = function(obj, parts, value) {
-  parts = getParts(parts);
+  if (typeof parts === 'string') {
+    parts = getParts(parts);
+  } else {
+    parts = parts.slice(0);
+  }
 
   var prop = parts.pop();
   obj = getobject.get(obj, parts, true);
@@ -51,7 +57,11 @@ getobject.set = function(obj, parts, value) {
 
 // Does a deeply-nested property exist in an object?
 getobject.exists = function(obj, parts) {
-  parts = getParts(parts);
+  if (typeof parts === 'string') {
+    parts = getParts(parts);
+  } else {
+    parts = parts.slice(0);
+  }
 
   var prop = parts.pop();
   obj = getobject.get(obj, parts);
diff --git a/package.json b/package.json
index 364155f..58835c9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "getobject",
   "description": "get.and.set.deep.objects.easily = true",
-  "version": "0.1.0",
+  "version": "0.1.2",
   "homepage": "https://github.com/cowboy/node-getobject",
   "author": {
     "name": "\"Cowboy\" Ben Alman",