diff --git a/src/vmime/net/smtp/SMTPConnection.cpp b/src/vmime/net/smtp/SMTPConnection.cpp
index 26be25db..e0b5bc68 100644
--- a/src/vmime/net/smtp/SMTPConnection.cpp
+++ b/src/vmime/net/smtp/SMTPConnection.cpp
@@ -525,7 +525,9 @@ void SMTPConnection::internalDisconnect()
 	try
 	{
 		sendRequest(SMTPCommand::QUIT());
-		readResponse();
+
+		// Do not wait for server response. This is contrary to the RFC, but
+		// some servers never send a response to a QUIT command.
 	}
 	catch (exception&)
 	{