diff --git a/hustsatellite.json b/hustsatellite.json
index 0f1d870..6f764bb 100644
--- a/hustsatellite.json
+++ b/hustsatellite.json
@@ -21,9 +21,9 @@
         },
         {
             "type": "urukul",
-            "ports": [6, 5],
+            "ports": [5, 6],
             "dds": "ad9912",
-            "clk_sel": 0
+            "clk_sel": 2
         },
         {
             "type": "zotino",