@@ -539,22 +539,27 @@
 {
 	if (_socket == INVALID_SOCKET)
 		@throw [OFNotOpenException exceptionWithObject: self];
 
 #ifndef _WIN32
+	if (length > SSIZE_MAX)
+		@throw [OFOutOfRangeException exception];
+
 	if (sendto(_socket, buffer, length, 0,
-	    (struct sockaddr*)&receiver->address, receiver->length) < length)
+	    (struct sockaddr*)&receiver->address,
+	    receiver->length) != (ssize_t)length)
 		@throw [OFWriteFailedException
 		    exceptionWithObject: self
 			requestedLength: length
 				  errNo: of_socket_errno()];
 #else
 	if (length > INT_MAX)
 		@throw [OFOutOfRangeException exception];
 
 	if (sendto(_socket, buffer, (int)length, 0,
-	    (struct sockaddr*)&receiver->address, receiver->length) < length)
+	    (struct sockaddr*)&receiver->address,
+	    receiver->length) != (int)length)
 		@throw [OFWriteFailedException
 		    exceptionWithObject: self
 			requestedLength: length
 				  errNo: of_socket_errno()];
 #endif