diff --git a/docker/star_ucsc_cufflinks/Dockerfile b/docker/star_ucsc_cufflinks/Dockerfile
index 4c7ff18..eccc1de 100644
--- a/docker/star_ucsc_cufflinks/Dockerfile
+++ b/docker/star_ucsc_cufflinks/Dockerfile
@@ -22,10 +22,11 @@ RUN wget https://github.com/TreesLab/NCLscan/archive/refs/tags/v${NCLSCAN_VERSIO
     tar -xzvf nclscan.tar.gz -C /opt2/ && \
     cd /opt2/NCLscan-${NCLSCAN_VERSION}/bin/ && \
     make
-ENV PATH="/opt2/NCLscan-${NCLSCAN_VERSION}/:/opt2/NCLscan-${NCLSCAN_VERSION}/bin:"
+ENV PATH="/opt2/NCLscan-${NCLSCAN_VERSION}/:/opt2/NCLscan-${NCLSCAN_VERSION}/bin:${PATH}"
 
 # Save Dockerfile in the docker
 COPY Dockerfile /opt2/Dockerfile_${REPONAME}.${BUILD_TAG}
+RUN chmod a+r /opt2/Dockerfile_${REPONAME}.${BUILD_TAG}
 
 # cleanup
 WORKDIR /data2