diff --git a/wireguard-install.sh b/wireguard-install.sh
index 1be20cd..97cf3f1 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -39,6 +39,12 @@ function checkOS() {
 			exit 1
 		fi
 		OS=debian # overwrite if raspbian
+	elif [[ ${OS} == "ubuntu" ]]; then
+		RELEASE_YEAR=$(echo "${VERSION_ID}" | cut -d'.' -f1)
+		if [[ ${RELEASE_YEAR} -lt 18 ]]; then
+			echo "Your version of Ubuntu (${VERSION_ID}) is not supported. Please use Ubuntu 18.04 or later"
+			exit 1
+		fi
 	elif [[ ${OS} == "fedora" ]]; then
 		if [[ ${VERSION_ID} -lt 32 ]]; then
 			echo "Your version of Fedora (${VERSION_ID}) is not supported. Please use Fedora 32 or later"