diff --git a/Singularity b/Singularity
index 38d72cc073d67baef142e2bca3fc8f01b06ec0d2..b2889f18d2b710de4d64706c1c4a1ec7b7378974 100644
--- a/Singularity
+++ b/Singularity
@@ -19,7 +19,7 @@ micromamba create -y --no-deps --name py310-pytorch-1.13.1 --file conda-env-expo
 micromamba activate py310-pytorch-1.13.1  && \
 micromamba env export > /conda-env-export.yml
 
-%post
+%runscript
 export MAMBA_ROOT_PREFIX=/opt/conda && \
 eval "$(micromamba shell hook -s posix )"  && \
 micromamba activate py310-pytorch-1.13.1  && \