diff --git a/Dockerfile b/Dockerfile
index ceb2efe..16b566e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,4 +23,4 @@ COPY environment.yml /
 RUN conda env create -f /environment.yml && conda clean -a
 ENV PATH /opt/conda/envs/nfcore-methylseq/bin:$PATH
 RUN git clone https://github.com/yupenghe/methylpy.git
-RUN g++ -O3 -l gsl -l gslcblas -o /opt/conda/envs/nfcore-methylseq/bin/run_rms_tests.out rms.cpp
+RUN g++ -O3 -l gsl -l gslcblas -o /opt/conda/envs/nfcore-methylseq/bin/run_rms_tests.out methylpy/methylpy/rms.cpp