diff --git a/db/install.php b/db/install.php
index ece2b7635cc..754cbab4adb 100644
--- a/db/install.php
+++ b/db/install.php
@@ -78,6 +78,12 @@ function xmldb_qtype_stack_install() {
         set_config('mathsdisplay', 'mathjax', 'qtype_stack');
 
         if (!defined('QTYPE_STACK_TEST_CONFIG_PLATFORM') || !in_array(QTYPE_STACK_TEST_CONFIG_PLATFORM, ['server', 'none'])) {
+            if (getenv("CI") && function_exists("shell_exec") && is_readable("/etc/os-release")) {
+                $os = shell_exec('grep -E "^NAME=" /etc/os-release |cut -d\" -f2|tr -d "\n"');
+                if ($os == "Ubuntu") {
+                    shell_exec('sudo apt-get -qq --assume-yes install maxima');
+                };
+            };
             list($ok, $message) = stack_cas_configuration::create_auto_maxima_image();
             if (!$ok) {
                 throw new coding_exception('maxima_opt_auto creation failed.', $message);