diff --git a/README.md b/README.md
index 1e5c000f5ba..2f0b62d89de 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Check out [Swagger-Spec](https://github.com/swagger-api/swagger-spec) for additi
 ## Compatability
 The Swagger Specification has undergone 3 revisions since initial creation in 2010.  The swagger-codegen project has the following compatibilies with the swagger specification:
 
-Swagger Codegen Version | Release Date | Swagger Spec compatability | Notes
+Swagger Codegen Version | Release Date | Swagger Spec compatibility | Notes
 ----------------------- | ------------ | -------------------------- | -----
 2.1.3-M1-SNAPSHOT                | 2015-02-23   | 1.0, 1.1, 1.2, 2.0   | [tag v2.1.0-M1](https://github.com/swagger-api/swagger-codegen)
 2.0.17                  | 2014-08-22   | 1.1, 1.2      | [tag v2.0.17](https://github.com/swagger-api/swagger-codegen/tree/v2.0.17)
diff --git a/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/DefaultCodegen.java b/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/DefaultCodegen.java
index 1ec5bac0597..0c070534a2e 100644
--- a/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/DefaultCodegen.java
+++ b/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/DefaultCodegen.java
@@ -554,14 +554,18 @@ public class DefaultCodegen {
         property.isPrimitiveType = true;
     }
     else {
-      property.isNotContainer = true;
+        setNonArrayMapProperty(property, type);
+    }
+    return property;
+  }
+
+  protected void setNonArrayMapProperty(CodegenProperty property, String type) {
+    property.isNotContainer = true;
       if(languageSpecificPrimitives().contains(type))
         property.isPrimitiveType = true;
       else
         property.complexType = property.baseType;
     }
-    return property;
-  }
 
   private Response findMethodResponse(Map<String, Response> responses) {
 
diff --git a/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/ObjcClientCodegen.java b/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/ObjcClientCodegen.java
index f82e863d994..62f22ee2f44 100644
--- a/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/ObjcClientCodegen.java
+++ b/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/ObjcClientCodegen.java
@@ -168,7 +168,18 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
     }
   }
 
-  @Override
+    @Override
+    protected void setNonArrayMapProperty(CodegenProperty property, String type) {
+        super.setNonArrayMapProperty(property, type);
+        if("NSDictionary".equals(type)) {
+            property.setter = "initWithDictionary";
+        }
+        else {
+            property.setter = "initWithValues";
+        }
+    }
+
+    @Override
   public String toModelImport(String name) {
     if("".equals(modelPackage()))
       return name;
diff --git a/modules/swagger-codegen/src/main/resources/Java/apiInvoker.mustache b/modules/swagger-codegen/src/main/resources/Java/apiInvoker.mustache
index 9a8ac94baec..cc77f01a9a6 100644
--- a/modules/swagger-codegen/src/main/resources/Java/apiInvoker.mustache
+++ b/modules/swagger-codegen/src/main/resources/Java/apiInvoker.mustache
@@ -165,12 +165,12 @@ public class ApiInvoker {
 
     Builder builder = client.resource(host + path + querystring).accept("application/json");
     for(String key : headerParams.keySet()) {
-      builder.header(key, headerParams.get(key));
+      builder = builder.header(key, headerParams.get(key));
     }
 
     for(String key : defaultHeaderMap.keySet()) {
       if(!headerParams.containsKey(key)) {
-        builder.header(key, defaultHeaderMap.get(key));
+        builder = builder.header(key, defaultHeaderMap.get(key));
       }
     }
     ClientResponse response = null;
diff --git a/modules/swagger-codegen/src/main/resources/objc/model-body.mustache b/modules/swagger-codegen/src/main/resources/objc/model-body.mustache
index 942a53f8878..17d2ec80836 100644
--- a/modules/swagger-codegen/src/main/resources/objc/model-body.mustache
+++ b/modules/swagger-codegen/src/main/resources/objc/model-body.mustache
@@ -39,7 +39,7 @@
         }
         {{/isContainer}}{{#isNotContainer}}
         if({{name}}_dict != nil)
-            _{{name}} = [[{{#instantiationType}}NSClassFromString(@"{{{instantiationType}}}") {{/instantiationType}}{{^instantiationType}}{{{complexType}}} {{/instantiationType}} alloc]initWithValues:{{name}}_dict];
+            _{{name}} = [[{{#instantiationType}}NSClassFromString(@"{{{instantiationType}}}") {{/instantiationType}}{{^instantiationType}}{{{complexType}}} {{/instantiationType}} alloc]{{setter}}:{{name}}_dict];
         {{/isNotContainer}}
         {{/complexType}}
         {{/vars}}{{newline}}
diff --git a/modules/swagger-codegen/src/main/resources/python/swagger.mustache b/modules/swagger-codegen/src/main/resources/python/swagger.mustache
index 8d9053025d1..5a5a7058bdf 100644
--- a/modules/swagger-codegen/src/main/resources/python/swagger.mustache
+++ b/modules/swagger-codegen/src/main/resources/python/swagger.mustache
@@ -226,7 +226,7 @@ class ApiClient:
                 subValues.append(self.deserialize(subValue, subClass))
             setattr(instance, attr, subValues)
           else:
-            setattr(instance, attr, self.deserialize(value, objClass))
+            setattr(instance, attr, self.deserialize(value, attrType))
 
     return instance