diff --git a/Dockerfile b/Dockerfile
index b261e6b..3b7b93c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ RUN poetry build && pip install dist/pynteny*.whl && pynteny --help
 RUN chmod ugo+rw /opt/conda/envs/pynteny-dev/lib/python3.10/site-packages
 
 # Initialize conda for default user
-RUN micromamba shell init
+RUN micromamba shell init -s bash
 # # Activate pynteny environment by default
 RUN echo "conda activate pynteny-dev" >> ../root/.bashrc
 RUN source ../root/.bashrc
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