diff --git a/docker/ubuntu b/docker/ubuntu
index 5ad15d8..a3a514f 100644
--- a/docker/ubuntu
+++ b/docker/ubuntu
@@ -14,8 +14,6 @@ RUN apt-get update \
     vim \
     emacs \
     wget \
-    libgl1 \
-&& apt-get install -y \
     libssl-dev \
     libopenmpi-dev \
     libscotch-dev \
@@ -56,6 +54,7 @@ set -o noclobber \
 RUN cd /opt/spack-environment \
 && spack env activate . \
 && spack external find \
+&& spack --backtrace external find openmpi \
 && spack compiler find \
 && spack install --fail-fast \
 && find -L /opt/views/view/* -type f -exec readlink -f '{}' \; | \