diff --git a/install.sh b/install.sh
index 268c24a2b7d..bf5f3f80f69 100755
--- a/install.sh
+++ b/install.sh
@@ -1112,8 +1112,7 @@ has_working_xtables() {
 
 # --- startup systemd or openrc service ---
 service_enable_and_start() {
-    if [ -f "/proc/cgroups" ] && [ "$(grep memory /proc/cgroups | while read -r n n n enabled; do echo $enabled; done)" -eq 0 ];
-    then
+    if ! grep -qs memory /sys/fs/cgroup/cgroup.controllers && ! [ "$(grep -s memory /proc/cgroups | while read -r n n n enabled; do echo $enabled; done)" == "0" ]; then
         info 'Failed to find memory cgroup, you may need to add "cgroup_memory=1 cgroup_enable=memory" to your linux cmdline (/boot/cmdline.txt on a Raspberry Pi)'
     fi
 
diff --git a/install.sh.sha256sum b/install.sh.sha256sum
index aac57954754..9d969c3d15b 100644
--- a/install.sh.sha256sum
+++ b/install.sh.sha256sum
@@ -1 +1 @@
-b0715fb49a4a1d32241ac23c222a1d343baa1f2846f25032b306d1b30dbacd15  install.sh
+b699722c5ce5896781fd0373f7c5de57555c5121cd1c6014d27afa56d98f5c53  install.sh