diff --git a/projects/fmcadc4/zc706/system_top.v b/projects/fmcadc4/zc706/system_top.v
index 8496a20ef..eb35c5767 100644
--- a/projects/fmcadc4/zc706/system_top.v
+++ b/projects/fmcadc4/zc706/system_top.v
@@ -41,6 +41,7 @@
 
 module system_top (
 
+  sys_rst,
   sys_clk_p,
   sys_clk_n,
 
@@ -124,6 +125,7 @@ module system_top (
   spi_clk,
   spi_sdio);
 
+  input           sys_rst;
   input           sys_clk_p;
   input           sys_clk_n;
 
@@ -550,7 +552,8 @@ module system_top (
     .spi_sdo_i (spi_mosi),
     .spi_sdo_o (spi_mosi),
     .sys_clk_clk_n (sys_clk_n),
-    .sys_clk_clk_p (sys_clk_p));
+    .sys_clk_clk_p (sys_clk_p),
+    .sys_rst (sys_rst));
 
 endmodule