diff --git a/nrc.json b/nrc.json
index 30015b6..2d5024d 100644
--- a/nrc.json
+++ b/nrc.json
@@ -24,9 +24,9 @@
         },
         {
             "type": "urukul",
-            "ports": [4, 5],
+            "ports": [5, 4],
             "dds": "ad9912",
-            "clk_sel": 2
+            "clk_sel": 0
         },
         {
             "type": "sampler",