diff --git a/source/script.php b/source/script.php
index 57f2be7e..3d10bdf7 100644
--- a/source/script.php
+++ b/source/script.php
@@ -70,6 +70,10 @@ class Pkg_MokosuiteclientInstallerScript
 		// Remove legacy extensions and migrate settings before retiring
 		$this->cleanupLegacyExtensions();
 		$this->migrateStandalonePlugins();
+
+		// Migrate monitor params into core plugin BEFORE monitor row is deleted
+		$this->migrateMonitorParams();
+
 		$this->removeRetiredExtensions();
 
 		$this->enablePlugin('system', 'mokosuiteclient');
@@ -86,9 +90,6 @@ class Pkg_MokosuiteclientInstallerScript
 		// Migrate params from core plugin to feature plugins (one-time)
 		$this->migrateFeatureParams();
 
-		// Migrate monitor params into core plugin before monitor is retired
-		$this->migrateMonitorParams();
-
 		// Set up cpanel module on the admin dashboard
 		$this->setupCpanelModule();