diff --git a/install/lib/install.lib.php b/install/lib/install.lib.php
index 6b3a7cd6235595063e1642500c8f9e82928715c5..1e49e025ca0360944a5ba6bd0bd12f5a7543dc4f 100644
--- a/install/lib/install.lib.php
+++ b/install/lib/install.lib.php
@@ -186,7 +186,7 @@ function get_distname() {
 				break;
 			default:
 				$relname = "UNKNOWN";
-				$distconfid = 'ubuntu1604';
+				$distconfid = 'ubuntu1804';
 			}
 			$distver = $ver.$lts." ".$relname;
 			swriteln("Operating System: ".$distname.' '.$distver."\n");