diff --git a/docker/dcc/Dockerfile b/docker/dcc/Dockerfile
index 944cf90..0f9d30c 100644
--- a/docker/dcc/Dockerfile
+++ b/docker/dcc/Dockerfile
@@ -16,6 +16,7 @@ RUN wget https://github.com/dieterich-lab/DCC/archive/${DCC_VERSION}.zip -O dcc.
     cd DCC-${DCC_VERSION} && \
     pip install numpy==1.21.0 && \
     python setup.py install
+ENV PYTHONPATH="/usr/local/lib/python3.8/dist-packages/"
 RUN which DCC && DCC -h
 
 # Save Dockerfile in the docker