diff --git a/AFNetworking/AFHTTPClient.m b/AFNetworking/AFHTTPClient.m
index e23f2a0..babe4bc 100644
--- a/AFNetworking/AFHTTPClient.m
+++ b/AFNetworking/AFHTTPClient.m
@@ -693,7 +693,7 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {
     }
 
     self.stringEncoding = [aDecoder decodeIntegerForKey:@"stringEncoding"];
-    self.parameterEncoding = [aDecoder decodeIntegerForKey:@"parameterEncoding"];
+    self.parameterEncoding = (AFHTTPClientParameterEncoding) [aDecoder decodeIntegerForKey:@"parameterEncoding"];
     self.registeredHTTPOperationClassNames = [aDecoder decodeObjectForKey:@"registeredHTTPOperationClassNames"];
     self.defaultHeaders = [aDecoder decodeObjectForKey:@"defaultHeaders"];
 
@@ -1072,7 +1072,7 @@ static const NSUInteger AFMultipartBodyStreamProviderDefaultBufferLength = 4096;
 - (void)handleOutputStreamSpaceAvailable {
     while ([_outputStream hasSpaceAvailable]) {
         if ([_buffer length] > 0) {
-            NSInteger numberOfBytesWritten = [_outputStream write:[_buffer bytes] maxLength:[_buffer length]];
+            NSInteger numberOfBytesWritten = [_outputStream write:(uint8_t const *)[_buffer bytes] maxLength:[_buffer length]];
             if (numberOfBytesWritten < 0) {
                 [self close];
                 return;
@@ -1094,7 +1094,7 @@ static const NSUInteger AFMultipartBodyStreamProviderDefaultBufferLength = 4096;
             
             [_buffer setLength:self.bufferLength];
             
-            NSInteger numberOfBytesRead = [self.currentHTTPBodyPart read:[_buffer mutableBytes] maxLength:[_buffer length]];
+            NSInteger numberOfBytesRead = [self.currentHTTPBodyPart read:(uint8_t *)[_buffer mutableBytes] maxLength:[_buffer length]];
             if (numberOfBytesRead < 0) {
                 [self close];
                 return;