diff --git a/tests/test_node.py b/tests/test_node.py
index 74b8a0cd..2bbf3351 100644
--- a/tests/test_node.py
+++ b/tests/test_node.py
@@ -1,4 +1,4 @@
-from signalflow import SineOscillator, AudioGraph, Line, SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS
+from signalflow import SineOscillator, AudioGraph, Line, SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS
 from signalflow import NodeAlreadyPlayingException, NodeNotPlayingException
 import signalflow as sf
 import numpy as np
@@ -14,7 +14,7 @@ def test_node_no_graph():
 def test_node_process(graph):
     a = SineOscillator(440)
     a.process(1024)
-    assert a.output_buffer.shape == (SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS, 1024)
+    assert a.output_buffer.shape == (SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS, 1024)
 
 
 def test_node_add_input(graph):
@@ -77,13 +77,13 @@ def test_node_write_to_output_buffer(graph):
     a.output_buffer[0][3] = 1.0
     assert a.output_buffer[0][3] == 1.0
 
-    assert a.output_buffer.shape == (SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS, graph.output_buffer_size)
-    a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS - 1][-1] = 1.0
-    assert a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS - 1][-1] == 1.0
+    assert a.output_buffer.shape == (SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS, graph.output_buffer_size)
+    a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS - 1][-1] = 1.0
+    assert a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS - 1][-1] == 1.0
     with pytest.raises(IndexError):
-        a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS][graph.output_buffer_size - 1] == 1.0
+        a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS][graph.output_buffer_size - 1] == 1.0
     with pytest.raises(IndexError):
-        a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS][graph.output_buffer_size] == 1.0
+        a.output_buffer[SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS][graph.output_buffer_size] == 1.0
 
 
 def test_node_trigger(graph):
diff --git a/tests/test_node_multichannel_expansion.py b/tests/test_node_multichannel_expansion.py
index 9871b010..b8c07000 100644
--- a/tests/test_node_multichannel_expansion.py
+++ b/tests/test_node_multichannel_expansion.py
@@ -1,5 +1,5 @@
 from signalflow import SineOscillator, SquareOscillator, ChannelMixer, ChannelArray, StereoPanner, Buffer, BufferPlayer, \
-    AudioGraph, AudioOut_Dummy, SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS
+    AudioGraph, AudioOut_Dummy, SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS
 from signalflow import BiquadFilter, AllpassDelay, WaveShaper, WaveShaperBuffer, Constant, Add, AudioGraphConfig
 from signalflow import InvalidChannelCountException
 import numpy as np
@@ -179,7 +179,7 @@ def test_expansion_recursive_processing(graph):
 def test_expansion_buffer_reallocation(graph):
     a = SineOscillator([440] * 4)
     assert a.num_output_channels == 4
-    assert a.num_output_channels_allocated == max(4, SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS)
+    assert a.num_output_channels_allocated == max(4, SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS)
     a.set_input("frequency", [440] * 100)
     assert a.num_output_channels == 100
     assert a.num_output_channels_allocated == 100
@@ -190,7 +190,7 @@ def test_expansion_input_reallocation(graph):
     Need to allocate more output buffers for upmixing
     rename num_output_channels_allocated to num_allocated_output_buffers
     """
-    channel_count = SIGNALFLOW_NODE_INITIAL_OUTPUT_BUFFERS + 1
+    channel_count = SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS + 1
     a = Constant(4)
     b = Add(a, [9] * channel_count)
     assert b.num_output_channels == channel_count