diff --git a/decklink-ndi.json b/decklink-ndi.json
index 1fdd3bf..ad7c844 100644
--- a/decklink-ndi.json
+++ b/decklink-ndi.json
@@ -8,6 +8,11 @@
       "from": "decklinkin",  "from_port": "video_flow_id",
       "to":   "ndiout",      "to_port":   "video_flow_id",
       "format": { "kind": "video", "width": 1920, "height": 1080, "fps_num": 25, "fps_den": 1 }
+    },
+    {
+      "from": "decklinkin", "from_port": "audio_flow_id",
+      "to":   "ndiout",      "to_port":   "audio_flow_id",
+      "format": { "kind": "audio", "sample_rate": 48000, "channels": 2, "bit_depth": 32 }
     }
   ]
 }