diff --git a/test/includes/lxd.sh b/test/includes/lxd.sh
index dca759e52a60..7daad19356ec 100644
--- a/test/includes/lxd.sh
+++ b/test/includes/lxd.sh
@@ -32,6 +32,9 @@ spawn_lxd() {
     echo "==> Spawning lxd in ${lxddir}"
     # shellcheck disable=SC2086
 
+    # Set ulimit to ensure core dump is outputted.
+    ulimit -c unlimited
+
     if [ "${LXD_NETNS}" = "" ]; then
         LXD_DIR="${lxddir}" lxd --logfile "${lxddir}/lxd.log" "${DEBUG-}" "$@" 2>&1 &
     else