diff --git a/enhancer/models/complexnn/__init__.py b/enhancer/models/complexnn/__init__.py
index aa47ad2..918a261 100644
--- a/enhancer/models/complexnn/__init__.py
+++ b/enhancer/models/complexnn/__init__.py
@@ -2,3 +2,4 @@ from enhancer.models.complexnn.conv import ComplexConv2d  # noqa
 from enhancer.models.complexnn.conv import ComplexConvTranspose2d  # noqa
 from enhancer.models.complexnn.rnn import ComplexLSTM  # noqa
 from enhancer.models.complexnn.utils import ComplexBatchNorm2D  # noqa
+from enhancer.models.complexnn.utils import ComplexRelu  # noqa