diff --git a/Dockerfile-CI b/Dockerfile-CI
index c361c7f68cebc8e38d82c9cf27d0ab728e5664c5..7af69344f3167ec66a678d72da845f27f8f6253e 100644
--- a/Dockerfile-CI
+++ b/Dockerfile-CI
@@ -2,11 +2,8 @@
 FROM mambaorg/micromamba:latest
 COPY --chown=$MAMBA_USER:$MAMBA_USER . /tmp/binder
 
-RUN ls
-RUN ls install_files/*
-
 # Install files
-RUN cp -ra install_files/* /opt/conda/
+RUN cp -ra /tmp/binder/install_files/* /opt/conda/
 
 # Install conda packages
 RUN cd /tmp/binder && \