diff --git a/AFNetworking/AFHTTPClient.m b/AFNetworking/AFHTTPClient.m
index 3fe034d..b859313 100644
--- a/AFNetworking/AFHTTPClient.m
+++ b/AFNetworking/AFHTTPClient.m
@@ -486,10 +486,7 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {
                     break;
                 case AFJSONParameterEncoding:;
                     [request setValue:[NSString stringWithFormat:@"application/json; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wassign-enum"
-                    [request setHTTPBody:[NSJSONSerialization dataWithJSONObject:parameters options:0 error:&error]];
-#pragma clang diagnostic pop
+                    [request setHTTPBody:[NSJSONSerialization dataWithJSONObject:parameters options:(NSJSONWritingOptions)0 error:&error]];
                     break;
                 case AFPropertyListParameterEncoding:;
                     [request setValue:[NSString stringWithFormat:@"application/x-plist; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];