diff --git a/src/ng/filter/filter.js b/src/ng/filter/filter.js
index 5c6bf2d79e7e..105ff535dc09 100644
--- a/src/ng/filter/filter.js
+++ b/src/ng/filter/filter.js
@@ -138,8 +138,10 @@ function filterFilter() {
         comparator = function(obj, text) {
           if (obj && text && typeof obj === 'object' && typeof text === 'object') {
             for (var objKey in obj) {
-              if (objKey.charAt(0) !== '$' && hasOwnProperty.call(obj, objKey) &&
-                  comparator(obj[objKey], text[objKey])) {
+              if (objKey.charAt(0) !== '$' &&
+                  hasOwnProperty.call(obj, objKey) &&
+                  (!isDefined(text[objKey]) || comparator(obj[objKey], text[objKey]))
+              ) {
                 return true;
               }
             }
diff --git a/test/ng/filter/filterSpec.js b/test/ng/filter/filterSpec.js
index 7679136ac9f9..948f7038a3e6 100644
--- a/test/ng/filter/filterSpec.js
+++ b/test/ng/filter/filterSpec.js
@@ -49,10 +49,11 @@ describe('Filter: filter', function() {
     expect(filter(items, function(i) {return i.done;}).length).toBe(1);
   });
 
-  it('should take object as perdicate', function() {
+  it('should take object as predicate', function() {
     var items = [{first: 'misko', last: 'hevery'},
                  {first: 'adam', last: 'abrons'}];
 
+    expect(filter(items, {first: undefined}).length).toBe(2);
     expect(filter(items, {first:'', last:''}).length).toBe(2);
     expect(filter(items, {first:'', last:'hevery'}).length).toBe(1);
     expect(filter(items, {first:'adam', last:'hevery'}).length).toBe(0);
@@ -61,7 +62,7 @@ describe('Filter: filter', function() {
   });
 
 
-  it('should support predicat object with dots in the name', function() {
+  it('should support predicate object with dots in the name', function() {
     var items = [{'first.name': 'misko', 'last.name': 'hevery'},
                  {'first.name': 'adam', 'last.name': 'abrons'}];
 
@@ -75,6 +76,8 @@ describe('Filter: filter', function() {
                  {person: {name: 'Rita'}},
                  {person: {name: 'Billy'}},
                  {person: {name: 'Joan'}}];
+
+    expect(filter(items, {person: {name : undefined}}).length).toBe(4);
     expect(filter(items, {person: {name: 'Jo'}}).length).toBe(2);
     expect(filter(items, {person: {name: 'Jo'}})).toEqual([
       {person: {name: 'John'}}, {person: {name: 'Joan'}}]);
@@ -94,8 +97,8 @@ describe('Filter: filter', function() {
 
   it('should support boolean properties', function() {
     var items = [{name: 'tom', current: true},
-	             {name: 'demi', current: false},
-	             {name: 'sofia'}];
+               {name: 'demi', current: false},
+               {name: 'sofia'}];
 
     expect(filter(items, {current:true}).length).toBe(1);
     expect(filter(items, {current:true})[0].name).toBe('tom');
@@ -118,26 +121,26 @@ describe('Filter: filter', function() {
       expect(filter(items, expr, true)).toEqual([items[1]]);
       expect(filter(items, expr, false)).toEqual([items[1], items[2]]);
 
-      var items = [
+      items = [
         {key: 'value1', nonkey: 1},
         {key: 'value2', nonkey: 2},
         {key: 'value12', nonkey: 3},
         {key: 'value1', nonkey:4},
         {key: 'Value1', nonkey:5}
       ];
-      var expr = {key: 'value1'};
+      expr = {key: 'value1'};
       expect(filter(items, expr, true)).toEqual([items[0], items[3]]);
 
-      var items = [
+      items = [
         {key: 1, nonkey: 1},
         {key: 2, nonkey: 2},
         {key: 12, nonkey: 3},
         {key: 1, nonkey:4}
       ];
-      var expr = { key: 1 };
+      expr = { key: 1 };
       expect(filter(items, expr, true)).toEqual([items[0], items[3]]);
 
-      var expr = 12;
+      expr = 12;
       expect(filter(items, expr, true)).toEqual([items[2]]);
     });
 
@@ -151,7 +154,7 @@ describe('Filter: filter', function() {
       var expr = {key: 10};
       var comparator = function (obj,value) {
         return obj > value;
-      }
+      };
       expect(filter(items, expr, comparator)).toEqual([items[2]]);
 
       expr = 10;