diff --git a/nodes/audio_operator_nodes.py b/nodes/audio_operator_nodes.py
index 6412184..eb1f654 100644
--- a/nodes/audio_operator_nodes.py
+++ b/nodes/audio_operator_nodes.py
@@ -32,7 +32,8 @@ class SimpleSignalOperation:
         y, sr = signal.get("y"), signal.get("sr")
         #y, sr = self.f(y, sr)
         #return {"y":y, "sr":sr}
-        signal = self.f(y, sr)
+        #signal = self.f(y, sr)
+        signal = self.f(y=y, sr=sr)
         return (signal,)