diff --git a/containers/builder/Dockerfile b/containers/builder/Dockerfile
index 100520e41bbced1c1b14f44480569b4855437179..87702c47f2fce45c3a4334d4accdbc283b8e9eb3 100644
--- a/containers/builder/Dockerfile
+++ b/containers/builder/Dockerfile
@@ -49,7 +49,8 @@ RUN find -L /opt/view/* -type f -exec readlink -f '{}' \; | \
 
 # Modifications to the environment that are necessary to run
 RUN cd /opt/spack-environment && \
-    spack env activate --sh -d . >> /etc/profile.d/z10_spack_environment.sh
+    spack env activate --sh -d . >> /etc/profile.d/z10_spack_environment.sh && \
+    echo "export BINARY_TAG=x86_64-linux-gcc9-opt" >> /etc/profile.d/z10_spack_environment.sh
 
 ENTRYPOINT ["/bin/bash", "--rcfile", "/etc/profile", "-l", "-c"]
 CMD ["bash"]