diff --git a/Demo/RealmJSONDemo/MCEpisode.m b/Demo/RealmJSONDemo/MCEpisode.m
index debc0eb..57385a5 100644
--- a/Demo/RealmJSONDemo/MCEpisode.m
+++ b/Demo/RealmJSONDemo/MCEpisode.m
@@ -13,13 +13,13 @@ @implementation MCEpisode
 
 + (NSDictionary *)JSONInboundMappingDictionary {
 	return @{
-			   @"episode.title": @"title",
-			   @"episode.description": @"subtitle",
-			   @"episode.id": @"episodeID",
-			   @"episode.episode_number": @"episodeNumber",
-			   @"episode.episode_type": @"episodeType",
-			   @"episode.thumbnail_url": @"thumbnailURL",
-			   @"episode.published_at": @"publishedDate",
+			   @"title": @"title",
+			   @"description": @"subtitle",
+			   @"id": @"episodeID",
+			   @"episode_number": @"episodeNumber",
+			   @"episode_type": @"episodeType",
+			   @"thumbnail_url": @"thumbnailURL",
+			   @"published_at": @"publishedDate",
 	};
 }
 
diff --git a/Demo/RealmJSONDemo/MCTableViewController.m b/Demo/RealmJSONDemo/MCTableViewController.m
index 1e4b70d..693b2ce 100644
--- a/Demo/RealmJSONDemo/MCTableViewController.m
+++ b/Demo/RealmJSONDemo/MCTableViewController.m
@@ -29,7 +29,7 @@ @implementation MCTableViewController
 - (IBAction)reloadData {
 	AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
 	[manager GET:@"https://www.nsscreencast.com/api/episodes.json" parameters:nil success: ^(AFHTTPRequestOperation *operation, id responseObject) {
-	    NSArray *array = responseObject;
+	    NSArray *array = responseObject[@"episodes"];
         dispatch_async(dispatch_get_main_queue(), ^{
             RLMRealm *realm = [RLMRealm defaultRealm];
             
diff --git a/Realm+JSON.podspec b/Realm+JSON.podspec
index 483e8c6..6565a62 100644
--- a/Realm+JSON.podspec
+++ b/Realm+JSON.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'Realm+JSON'
-  s.version  = '0.2.10'
+  s.version  = '0.2.11'
   s.ios.deployment_target   = '7.0'
   s.osx.deployment_target = '10.9'
   s.license  = { :type => 'MIT', :file => 'LICENSE' }
@@ -16,5 +16,5 @@ Pod::Spec.new do |s|
   s.source_files = 'Realm+JSON/*.{h,m}'
   s.public_header_files = 'Realm+JSON/*.h'
 
-  s.dependency 'Realm', '~> 0.92'
+  s.dependency 'Realm', '~> 0.95'
 end
diff --git a/Realm+JSON/RLMObject+Copying.m b/Realm+JSON/RLMObject+Copying.m
index 3c7a8bf..6bb0b52 100644
--- a/Realm+JSON/RLMObject+Copying.m
+++ b/Realm+JSON/RLMObject+Copying.m
@@ -27,21 +27,42 @@ - (instancetype)shallowCopy {
 }
 
 - (void)mergePropertiesFromObject:(id)object {
+    
+    BOOL primaryKeyIsEmpty;
+    id value;
+    id selfValue;
+    
+    BOOL (^valuesAreEqual)(id, id) = ^BOOL(id value1, id value2) {
+        return ([[NSString stringWithFormat:@"%@", value1]
+                 isEqualToString:[NSString stringWithFormat:@"%@", value2]]);
+    };
+    
     for (RLMProperty *property in self.objectSchema.properties) {
-        // assume array
-        if (property.type == RLMPropertyTypeArray) {
+        
+        if (property.type != RLMPropertyTypeArray) {
+
+            // asume data
+            value = [object valueForKeyPath:property.name];
+            selfValue = [self valueForKeyPath:property.name];
+
+            primaryKeyIsEmpty = (property.isPrimary &&
+                                 !valuesAreEqual(value, selfValue)
+                                 );
+            
+            if (primaryKeyIsEmpty || !property.isPrimary) {
+                [self setValue:value forKeyPath:property.name];
+            }
+        
+        } else {
+            // asume array
             RLMArray *thisArray = [self valueForKeyPath:property.name];
             RLMArray *thatArray = [object valueForKeyPath:property.name];
             [thisArray addObjects:thatArray];
         }
-        // assume data
-        else if (!property.isPrimary) {
-            id value = [object valueForKeyPath:property.name];
-            [self setValue:value forKeyPath:property.name];
-        }
     }
 }
 
+
 - (instancetype)deepCopy {
     RLMObject *object = [[NSClassFromString(self.objectSchema.className) alloc] init];