diff --git a/upgrades/6.0/scripts/BeforeUpgrade.php b/upgrades/6.0/scripts/BeforeUpgrade.php
index 711c5ddd5e..a78796b666 100644
--- a/upgrades/6.0/scripts/BeforeUpgrade.php
+++ b/upgrades/6.0/scripts/BeforeUpgrade.php
@@ -35,11 +35,22 @@ class BeforeUpgrade
     {
         $this->container = $container;
 
+        $this->processCheckCLI();
+
         $this->processMyIsamCheck();
 
         $this->processNextNumberAlterTable();
     }
 
+    protected function processCheckCLI()
+    {
+        $isCli = (substr(php_sapi_name(), 0, 3) == 'cli') ? true : false;
+
+        if (!$isCli) {
+            throw new Error("This upgrade can be run only from CLI.");
+        }
+    }
+
     protected function processMyIsamCheck()
     {
         $myisamTableList = $this->getMyIsamTableList();