diff --git a/biomart_perl/Dockerfile b/biomart_perl/Dockerfile
index ab14756..0dac70f 100644
--- a/biomart_perl/Dockerfile
+++ b/biomart_perl/Dockerfile
@@ -4,7 +4,7 @@ RUN apt-get update && \
     apt-get install -y procps perl libcurl4-openssl-dev libssl-dev libxml2-dev && \
     apt-get clean -y && rm -rf /var/lib/apt/lists/*
 
-RUN Rscript -e "install.packages(c('BiocManager', 'RSQLite')"
+RUN Rscript -e "install.packages(c('BiocManager', 'RSQLite'))"
 
 RUN Rscript -e "BiocManager::install('biomaRt')"