Index: src/OFHTTPClient.m
==================================================================
--- src/OFHTTPClient.m
+++ src/OFHTTPClient.m
@@ -822,10 +822,12 @@
 	if (_closed)
 		return;
 
 	if (_written < _contentLength)
 		@throw [OFTruncatedDataException exception];
+
+	_closed = true;
 
 	[_socket asyncReadLineWithTarget: _handler
 				selector: @selector(socket:didReadLine:context:
 					      exception:)
 				 context: nil];