diff --git a/duke3.json b/duke3.json
index cf23491..56ebbfc 100644
--- a/duke3.json
+++ b/duke3.json
@@ -50,6 +50,6 @@
             "type": "urukul",
             "ports": [9, 10],
             "clk_sel": 2
-        },
+        }
     ]
 }