diff --git a/src/spikeinterface/preprocessing/tests/test_zero_padding.py b/src/spikeinterface/preprocessing/tests/test_zero_padding.py
index 954f5ed7e8..3ece8a0e0d 100644
--- a/src/spikeinterface/preprocessing/tests/test_zero_padding.py
+++ b/src/spikeinterface/preprocessing/tests/test_zero_padding.py
@@ -53,7 +53,7 @@ def test_trace_padded_recording_full_trace(recording, padding_start, padding_end
     num_samples = recording.get_num_samples()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -81,7 +81,7 @@ def test_trace_padded_recording_full_trace_with_channel_indices(recording, paddi
     num_samples = recording.get_num_samples()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -110,7 +110,7 @@ def test_trace_padded_recording_retrieve_original_trace(recording, padding_start
     num_samples = recording.get_num_samples()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -129,7 +129,7 @@ def test_trace_padded_recording_retrieve_partial_original_trace(recording, paddi
     num_samples = recording.get_num_samples()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -156,7 +156,7 @@ def test_trace_padded_recording_retrieve_start_padding_and_partial_original_trac
     num_channels = recording.get_num_channels()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -188,7 +188,7 @@ def test_trace_padded_recording_retrieve_end_padding_and_partial_original_trace(
     num_channels = recording.get_num_channels()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -222,7 +222,7 @@ def test_trace_padded_recording_retrieve_traces_with_partial_padding(recording,
     num_channels = recording.get_num_channels()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -264,7 +264,7 @@ def test_trace_padded_recording_retrieve_only_start_padding(recording, padding_s
     num_channels = recording.get_num_channels()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -281,7 +281,7 @@ def test_trace_padded_recording_retrieve_only_end_padding(recording, padding_sta
     num_channels = recording.get_num_channels()
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )
@@ -314,7 +314,7 @@ def test_trace_padded_recording_retrieve_only_end_padding_with_preprocessing(
         recording = phase_shift(recording)
 
     padded_recording = TracePaddedRecording(
-        parent_recording=recording,
+        recording=recording,
         padding_start=padding_start,
         padding_end=padding_end,
     )