diff --git a/bsp_q7s/boardconfig/busConf.h b/bsp_q7s/boardconfig/busConf.h
index a6316927..4ccdc78d 100644
--- a/bsp_q7s/boardconfig/busConf.h
+++ b/bsp_q7s/boardconfig/busConf.h
@@ -15,7 +15,7 @@ static constexpr char UART_PLOC_MPSOC_DEV[] = "/dev/ul-plmpsoc";
 static constexpr char UART_PLOC_SUPERVSIOR_DEV[] = "/dev/ul-plsv";
 static constexpr char UART_SYRLINKS_DEV[] = "/dev/ul-syrlinks";
 static constexpr char UART_STAR_TRACKER_DEV[] = "/dev/ul-str";
-static constexpr char UART_SCEX_DEV[] = "/dev/ttyS3";  //"/dev/ul-scex";
+static constexpr char UART_SCEX_DEV[] = "/dev/ttyS-SCEX";
 
 static constexpr char UIO_PDEC_REGISTERS[] = "/dev/uio0";
 static constexpr char UIO_PTME[] = "/dev/uio1";