diff --git a/eidastest-1.qa.sveidas.se/overlay/etc/hiera/data/local.yaml b/eidastest-1.qa.sveidas.se/overlay/etc/hiera/data/local.yaml
index 4f065820..51fed040 100644
--- a/eidastest-1.qa.sveidas.se/overlay/etc/hiera/data/local.yaml
+++ b/eidastest-1.qa.sveidas.se/overlay/etc/hiera/data/local.yaml
@@ -5,6 +5,7 @@ eidastest_compose:
      firefox:
        image: seleniarm/standalone-firefox:4.10.0
        container_name: standalone-firefox
+       shm_size: 2gb
        volumes:
          - /dev/shm:/dev/shm
          - ./supervise_firefox_processes.sh:/scripts/supervise_firefox_processes.sh