diff --git a/AFAbstractRESTClient/AbstractGETAPICall.h b/AFAbstractRESTClient/AbstractGETAPICall.h
index 2bbe9be..51fa26a 100644
--- a/AFAbstractRESTClient/AbstractGETAPICall.h
+++ b/AFAbstractRESTClient/AbstractGETAPICall.h
@@ -10,6 +10,6 @@
 
 @interface AbstractGETAPICall : NSObject
 
-- (void) executeAPICallWithSuccessBlock:(void (^)(id responseObject)) blockSuccess failure:(void (^)(NSError *error, id responseObject)) blockFailure;
+- (void) executeAPICallWithSuccessBlock:(void (^)(NSHTTPURLResponse *response, id responseObject)) blockSuccess failure:(void (^)(NSError *error, id responseObject)) blockFailure;
 
 @end
diff --git a/AFAbstractRESTClient/AbstractPOSTAPICall.h b/AFAbstractRESTClient/AbstractPOSTAPICall.h
index f705132..d567e1e 100644
--- a/AFAbstractRESTClient/AbstractPOSTAPICall.h
+++ b/AFAbstractRESTClient/AbstractPOSTAPICall.h
@@ -13,6 +13,6 @@ extern NSString *const kServerURLString;
 
 @interface AbstractPOSTAPICall : NSObject
 
-- (void) executeAPICallWithSuccessBlock:(void (^)(id responseObject)) blockSuccess failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) blockFailure progress: (void (^)(long long totalBytesWritten, long long totalBytesExpectedToWrite)) blockProgress;
+- (void) executeAPICallWithSuccessBlock:(void (^)(NSHTTPURLResponse *response, id responseObject)) blockSuccess failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) blockFailure progress: (void (^)(long long totalBytesWritten, long long totalBytesExpectedToWrite)) blockProgress;
 
 @end