diff --git a/install.sh b/install.sh
index 856adb853c..2926f6b33e 100644
--- a/install.sh
+++ b/install.sh
@@ -83,7 +83,7 @@ elif [[ "${release}" == "rocky" ]]; then
     if [[ ${os_version} -lt 8 ]]; then
         echo -e "${red} Please use Rocky Linux 8 or higher ${plain}\n" && exit 1
     fi
-elif [[ "${release}" == "oracle" ]]; then
+elif [[ "${release}" == "ol" ]]; then
     if [[ ${os_version} -lt 8 ]]; then
         echo -e "${red} Please use Oracle Linux 8 or higher ${plain}\n" && exit 1
     fi
@@ -112,7 +112,7 @@ install_base() {
     ubuntu | debian | armbian)
         apt-get update && apt-get install -y -q wget curl tar tzdata
         ;;
-    centos | almalinux | rocky | oracle)
+    centos | almalinux | rocky | ol)
         yum -y update && yum install -y -q wget curl tar tzdata
         ;;
     fedora | amzn)
diff --git a/x-ui.sh b/x-ui.sh
index ab3c34a11d..d312a22563 100644
--- a/x-ui.sh
+++ b/x-ui.sh
@@ -80,7 +80,7 @@ elif [[ "${release}" == "rocky" ]]; then
     if [[ ${os_version} -lt 8 ]]; then
         echo -e "${red} Please use Rocky Linux 8 or higher ${plain}\n" && exit 1
     fi
-elif [[ "${release}" == "oracle" ]]; then
+elif [[ "${release}" == "ol" ]]; then
     if [[ ${os_version} -lt 8 ]]; then
         echo -e "${red} Please use Oracle Linux 8 or higher ${plain}\n" && exit 1
     fi
@@ -486,7 +486,7 @@ enable_bbr() {
     ubuntu | debian | armbian)
         apt-get update && apt-get install -yqq --no-install-recommends ca-certificates
         ;;
-    centos | almalinux | rocky | oracle)
+    centos | almalinux | rocky | ol)
         yum -y update && yum -y install ca-certificates
         ;;
     fedora | amzn)
@@ -925,7 +925,7 @@ ssl_cert_issue() {
     ubuntu | debian | armbian)
         apt update && apt install socat -y
         ;;
-    centos | almalinux | rocky | oracle)
+    centos | almalinux | rocky | ol)
         yum -y update && yum -y install socat
         ;;
     fedora | amzn)
@@ -1296,7 +1296,7 @@ install_iplimit() {
         debian | armbian)
             apt update && apt install fail2ban -y
             ;;
-        centos | almalinux | rocky | oracle)
+        centos | almalinux | rocky | ol)
             yum update -y && yum install epel-release -y
             yum -y install fail2ban
             ;;
@@ -1377,7 +1377,7 @@ remove_iplimit() {
             apt-get purge -y fail2ban -y
             apt-get autoremove -y
             ;;
-        centos | almalinux | rocky | oracle)
+        centos | almalinux | rocky | ol)
             yum remove fail2ban -y
             yum autoremove -y
             ;;