diff --git a/tests/integration/mounts.bats b/tests/integration/mounts.bats
index 1e72c5b14..d94b412e9 100644
--- a/tests/integration/mounts.bats
+++ b/tests/integration/mounts.bats
@@ -64,17 +64,26 @@ function teardown() {
 	[ "$status" -eq 0 ]
 }
 
-# https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc
-@test "runc run [ro /sys/fs/cgroup mount]" {
-	# With cgroup namespace
-	update_config '.process.args |= ["sh", "-euc", "for f in `grep /sys/fs/cgroup /proc/mounts | awk \"{print \\\\$2}\"| uniq`; do grep -w $f /proc/mounts | tail -n1; done"]'
-	runc run test_busybox
-	[ "$status" -eq 0 ]
-	[ "${#lines[@]}" -ne 0 ]
-	for line in "${lines[@]}"; do [[ "${line}" == *'ro,'* ]]; done
-
-	# Without cgroup namespace
+@test "runc run [ro /sys/fs/cgroup mounts]" {
+	# Without cgroup namespace.
 	update_config '.linux.namespaces -= [{"type": "cgroup"}]'
+	test_ro_cgroup_mount
+}
+
+# shellcheck disable=SC2030
+@test "runc run [ro /sys/fs/cgroup mounts + cgroupns]" {
+	requires cgroupns
+	# With cgroup namespace.
+	update_config '.linux.namespaces |= if index({"type": "cgroup"}) then . else . + [{"type": "cgroup"}] end'
+	test_ro_cgroup_mount
+}
+
+# https://github.com/opencontainers/runc/security/advisories/GHSA-m8cg-xc2p-r3fc
+# shellcheck disable=SC2031
+function test_ro_cgroup_mount() {
+	local lines status
+	# shellcheck disable=SC2016
+	update_config '.process.args |= ["sh", "-euc", "for f in `grep /sys/fs/cgroup /proc/mounts | awk \"{print \\\\$2}\"| uniq`; do test -e $f && grep -w $f /proc/mounts | tail -n1; done"]'
 	runc run test_busybox
 	[ "$status" -eq 0 ]
 	[ "${#lines[@]}" -ne 0 ]