diff --git a/lib/nconf/stores/memory.js b/lib/nconf/stores/memory.js
index 74b5520..b4cbe9b 100644
--- a/lib/nconf/stores/memory.js
+++ b/lib/nconf/stores/memory.js
@@ -36,7 +36,7 @@ Memory.prototype.get = function (key) {
   //
   while (path.length > 0) {
     key = path.shift();
-    if (!target[key]) {
+    if (!(target && key in target)) {
       return;
     }
     
diff --git a/lib/nconf/stores/redis.js b/lib/nconf/stores/redis.js
index b07ddeb..015f458 100644
--- a/lib/nconf/stores/redis.js
+++ b/lib/nconf/stores/redis.js
@@ -151,7 +151,7 @@ Redis.prototype.set = function (key, value, callback) {
     
     var fullKey = nconf.key(self.namespace, key);
     
-    if (!Array.isArray(value) && typeof value === 'object') {
+    if (!Array.isArray(value) && value !== null && typeof value === 'object') {
       //
       // If the value is an `Object` (and not an `Array`) then
       // nest into the value and set the child keys appropriately.
diff --git a/test/file-store-test.js b/test/file-store-test.js
index 7a020ac..c66301f 100644
--- a/test/file-store-test.js
+++ b/test/file-store-test.js
@@ -63,11 +63,19 @@ vows.describe('nconf/stores/file').addBatch({
     "the set() method": {
       "should respond with true": function () {
         assert.isTrue(store.set('foo:bar:bazz', 'buzz'));
+        assert.isTrue(store.set('falsy:number', 0));
+        assert.isTrue(store.set('falsy:string', ''));
+        assert.isTrue(store.set('falsy:boolean', false));
+        assert.isTrue(store.set('falsy:object', null));
       }
     },
     "the get() method": {
       "should respond with the correct value": function () {
         assert.equal(store.get('foo:bar:bazz'), 'buzz');
+        assert.equal(store.get('falsy:number'), 0);
+        assert.equal(store.get('falsy:string'), '');
+        assert.equal(store.get('falsy:boolean'), false);
+        assert.equal(store.get('falsy:object'), null);
       }
     },
     "the clear() method": {
diff --git a/test/memory-store-test.js b/test/memory-store-test.js
index 57c6244..210879a 100644
--- a/test/memory-store-test.js
+++ b/test/memory-store-test.js
@@ -15,11 +15,29 @@ vows.describe('nconf/stores/memory').addBatch({
     "the set() method": {
       "should respond with true": function (store) {
         assert.isTrue(store.set('foo:bar:bazz', 'buzz'));
+        assert.isTrue(store.set('falsy:number', 0));
+        assert.isTrue(store.set('falsy:string', ''));
+        assert.isTrue(store.set('falsy:boolean', false));
+        assert.isTrue(store.set('falsy:object', null));
       }
     },
     "the get() method": {
       "should respond with the correct value": function (store) {
         assert.equal(store.get('foo:bar:bazz'), 'buzz');
+        assert.equal(store.get('falsy:number'), 0);
+        assert.equal(store.get('falsy:string'), '');
+        assert.equal(store.get('falsy:boolean'), false);
+        assert.equal(store.get('falsy:object'), null);
+      },
+      "should not fail when retrieving non-existent keys": function (store) {
+        assert.doesNotThrow(function() {
+          assert.equal(store.get('this:key:does:not:exist'), undefined);
+        }, TypeError);
+      },
+      "should not fail when drilling into non-objects": function (store) {
+        assert.doesNotThrow(function() {
+          assert.equal(store.get('falsy:number:uh:oh'), undefined);
+        }, TypeError);
       }
     },
     "the clear() method": {
diff --git a/test/redis-store-test.js b/test/redis-store-test.js
index a7ea55e..2c8cf2b 100644
--- a/test/redis-store-test.js
+++ b/test/redis-store-test.js
@@ -37,6 +37,14 @@ vows.describe('nconf/stores/redis').addBatch({
         "should respond without an error": function (err, ok) {
           assert.isNull(err);
         }
+      },
+      "with null": {
+        topic: function (store) {
+          store.set('falsy:object', null, this.callback);
+        },
+        "should respond without an error": function(err, ok) {
+          assert.isNull(err);
+        }
       }
     }
   }
@@ -75,6 +83,14 @@ vows.describe('nconf/stores/redis').addBatch({
         "should respond with the correct value": function (err, value) {
           assert.deepEqual(value, data.obj.auth);
         }
+      },
+      "with null": {
+        topic: function(store) {
+          store.get('falsy:object', this.callback);
+        },
+        "should respond with the correct value": function(err, value) {
+          assert.equal(value, null);
+        }
       }
     }
   }