diff --git a/repo2docker/buildpacks/conda/__init__.py b/repo2docker/buildpacks/conda/__init__.py
index 9a3c97be..29682c7e 100644
--- a/repo2docker/buildpacks/conda/__init__.py
+++ b/repo2docker/buildpacks/conda/__init__.py
@@ -424,6 +424,7 @@ class CondaBuildPack(BaseImage):
                     echo auth-none=1 >> /etc/rstudio/rserver.conf && \
                     echo auth-minimum-user-id=0 >> /etc/rstudio/rserver.conf && \
                     echo "rsession-which-r={env_prefix}/bin/R" >> /etc/rstudio/rserver.conf && \
+                    echo "rsession-ld-library-path={env_prefix}/lib" >> /etc/rstudio/rserver.conf && \
                     echo www-frame-origin=same >> /etc/rstudio/rserver.conf
                     """,
                 ),