Index: src/OFHTTPServer.m
==================================================================
--- src/OFHTTPServer.m
+++ src/OFHTTPServer.m
@@ -511,11 +511,11 @@
 			    (uintmax_t)contentLength > SIZE_MAX)
 				@throw [OFOutOfRangeException exception];
 
 			buffer = [self allocMemoryWithSize: BUFFER_SIZE];
 			_body = [[OFMutableData alloc] init];
-			_contentLength = contentLength;
+			_contentLength = (size_t)contentLength;
 
 			[_socket asyncReadIntoBuffer: buffer
 					      length: BUFFER_SIZE
 					      target: self
 					    selector: @selector(socket: