diff --git a/nodes/__init__.py b/nodes/__init__.py
index 0a7b59b..66bd10c 100644
--- a/nodes/__init__.py
+++ b/nodes/__init__.py
@@ -209,6 +209,11 @@ class ARDrawSignal:
             }
         }
 
+NODE_CLASS_MAPPINGS["ARDrawSignal"] = ARDrawSignal
+NODE_DISPLAY_NAME_MAPPINGS["ARDrawSignal"] = "Draw Audio Signal"
+
+############################################
+
     def main(self, signal):
         img_tensor = draw_signal(signal['y'], signal['sr'])
         return (img_tensor,)