diff --git a/example/Alveo/fpga/rtl/fpga_core.sv b/example/Alveo/fpga/rtl/fpga_core.sv
index 949cb72..6f7fe79 100644
--- a/example/Alveo/fpga/rtl/fpga_core.sv
+++ b/example/Alveo/fpga/rtl/fpga_core.sv
@@ -86,8 +86,8 @@ xfcp_if_uart_inst (
     /*
      * UART interface
      */
-    .uart_rxd(uart_rxd),
-    .uart_txd(uart_txd),
+    .uart_rxd(uart_rxd[0]),
+    .uart_txd(uart_txd[0]),
 
     /*
      * XFCP downstream interface