diff --git a/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php b/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php
index 19515d474..65a57b162 100644
--- a/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php
+++ b/install_minimal/upgrades/airtime-1.9.0/airtime-upgrade.php
@@ -672,7 +672,7 @@ class Airtime190Upgrade{
 
         $cwd = __DIR__;
         $mediaMonitorUpgradePath = __DIR__."/media-monitor-upgrade.py";
-        $command = "cd $cwd && \"python $mediaMonitorUpgradePath\"";
+        $command = "cd $cwd && python $mediaMonitorUpgradePath";
         exec($command, $output);
         print_r($output);