diff --git a/CHANGELOG.md b/CHANGELOG.md
index 003b1734..faa0f3e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 - Allow int keys to be serialised / loaded in QuAM using JSONSerialiser
 - Fix type `OctaveUpconverter.triggered_reersed` -> `OctaveUpconverter.triggered_reversed`
 - Fix tuples not being instantiated properly in specific circumstances
+- Fix filter_fir/iir_taps being passed as QuamList when generating config, resulting in an error due to parent reassignment
 
 
 ## [0.3.3]
diff --git a/quam/components/channels.py b/quam/components/channels.py
index aff44088..ee491af6 100644
--- a/quam/components/channels.py
+++ b/quam/components/channels.py
@@ -518,22 +518,29 @@ def apply_to_config(self, config: dict):
         if self.intermediate_frequency is not None:
             element_config["intermediate_frequency"] = self.intermediate_frequency
 
+        filter_fir_taps = self.filter_fir_taps
+        if filter_fir_taps is not None:
+            filter_fir_taps = list(filter_fir_taps)
+        filter_iir_taps = self.filter_iir_taps
+        if filter_iir_taps is not None:
+            filter_iir_taps = list(filter_iir_taps)
+
         if isinstance(self.opx_output, LFAnalogOutputPort):
             opx_port = self.opx_output
         elif len(self.opx_output) == 2:
             opx_port = OPXPlusAnalogOutputPort(
                 *self.opx_output,
                 offset=self.opx_output_offset,
-                feedforward_filter=self.filter_fir_taps,
-                feedback_filter=self.filter_iir_taps,
+                feedforward_filter=filter_fir_taps,
+                feedback_filter=filter_iir_taps,
             )
             opx_port.apply_to_config(config)
         else:
             opx_port = LFFEMAnalogOutputPort(
                 *self.opx_output,
                 offset=self.opx_output_offset,
-                feedforward_filter=self.filter_fir_taps,
-                feedback_filter=self.filter_iir_taps,
+                feedforward_filter=filter_fir_taps,
+                feedback_filter=filter_iir_taps,
             )
             opx_port.apply_to_config(config)