Two sensor with SPI

I have completed the assembly of two devices in the spi bus (arduino Uno R3). Regardless work well. When i connect together the temperature sensor stops working (disconnecting the miso sd working properly.) The connections are described in the forum. 13-CLK 12-MISO 11-MOSI and 8-SS (SD) and 9- SS (thermocouple). The sensors are
thank you very much