diff --git a/misc/build.func b/misc/build.func
index d23bc2a2..8d09d8fa 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -98,7 +98,7 @@ pve_check() {
   if [ $(pveversion | grep "pve-manager/8" | wc -l) -ne 1 ]; then
     whiptail --backtitle "Proxmox VE Helper Scripts" --msgbox --title "Proxmox VE 7 Detected" "You are currently using Proxmox VE 7 (EOL 2024-07), refrain from creating Debian 12 LXCs. \nDefault distribution for $APP LXC is ${var_os} ${var_version}" 10 60
   fi
-  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[0-2])"; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[1-2])"; then
     msg_error "This version of Proxmox Virtual Environment is not supported"
     echo -e "Requires PVE7 Version 7.4-13 or later, or PVE8 Version 8.1.1 or later."
     echo -e "Exiting..."
diff --git a/vm/debian-vm.sh b/vm/debian-vm.sh
index 3f2db4f6..6a20b717 100644
--- a/vm/debian-vm.sh
+++ b/vm/debian-vm.sh
@@ -92,7 +92,7 @@ function check_root() {
 }
 
 function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/(7.4-[1][3-9]|8.1.[1-9])"; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[1-2])"; then
     msg_error "This version of Proxmox Virtual Environment is not supported"
     echo -e "Requires PVE7 Version 7.4-13 or later, or PVE8 Version 8.1.1 or later."
     echo -e "Exiting..."
diff --git a/vm/haos-vm.sh b/vm/haos-vm.sh
index ceb9f0d8..4c82712a 100644
--- a/vm/haos-vm.sh
+++ b/vm/haos-vm.sh
@@ -115,7 +115,7 @@ function check_root() {
 }
 
 function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/(7.4-[1][3-9]|8.1.[1-9])"; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[1-2])"; then
     msg_error "This version of Proxmox Virtual Environment is not supported"
     echo -e "Requires PVE7 Version 7.4-13 or later, or PVE8 Version 8.1.1 or later."
     echo -e "Exiting..."
diff --git a/vm/nextcloud-vm.sh b/vm/nextcloud-vm.sh
index ff62c7df..23cc5606 100644
--- a/vm/nextcloud-vm.sh
+++ b/vm/nextcloud-vm.sh
@@ -91,7 +91,7 @@ function check_root() {
 }
 
 function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/(7.4-[1][3-9]|8.1.[1-9])"; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[1-2])"; then
     msg_error "This version of Proxmox Virtual Environment is not supported"
     echo -e "Requires PVE7 Version 7.4-13 or later, or PVE8 Version 8.1.1 or later."
     echo -e "Exiting..."
diff --git a/vm/openwrt.sh b/vm/openwrt.sh
index 5ebb5ec4..0afca1cb 100644
--- a/vm/openwrt.sh
+++ b/vm/openwrt.sh
@@ -157,7 +157,7 @@ function msg_error() {
 }
 
 function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/(7.4-[1][3-9]|8.1.[1-9])"; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[1-2])"; then
     echo -e "${CROSS} This version of Proxmox Virtual Environment is not supported"
     echo -e "Requires PVE7 Version 7.4-13 or later, or PVE8 Version 8.1.1 or later."
     echo -e "Exiting..."
diff --git a/vm/owncloud-vm.sh b/vm/owncloud-vm.sh
index 7fbe8be6..006a4649 100644
--- a/vm/owncloud-vm.sh
+++ b/vm/owncloud-vm.sh
@@ -91,7 +91,7 @@ function check_root() {
 }
 
 function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/(7.4-[1][3-9]|8.1.[1-9])"; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[1-2])"; then
     msg_error "This version of Proxmox Virtual Environment is not supported"
     echo -e "Requires PVE7 Version 7.4-13 or later, or PVE8 Version 8.1.1 or later."
     echo -e "Exiting..."
diff --git a/vm/ubuntu-vm.sh b/vm/ubuntu-vm.sh
index be9edc88..5fffcf0d 100644
--- a/vm/ubuntu-vm.sh
+++ b/vm/ubuntu-vm.sh
@@ -92,7 +92,7 @@ function check_root() {
 }
 
 function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/(7.4-[1][3-9]|8.1.[1-9])"; then
+  if ! pveversion | grep -Eq "pve-manager/(7\.4-(1[3-8])|8\.[1-2])"; then
     msg_error "This version of Proxmox Virtual Environment is not supported"
     echo -e "Requires PVE7 Version 7.4-13 or later, or PVE8 Version 8.1.1 or later."
     echo -e "Exiting..."