diff --git a/source/script.php b/source/script.php
index 24dc48d5..25ca982a 100644
--- a/source/script.php
+++ b/source/script.php
@@ -464,6 +464,16 @@ class Pkg_MokosuiteclientInstallerScript
 	{
 		try
 		{
+			// Only enable if the plugin files actually exist on disk
+			$pluginDir = JPATH_PLUGINS . '/' . $group . '/' . $element;
+
+			if (!is_dir($pluginDir))
+			{
+				Log::add('Skipping enable for ' . $group . '/' . $element . ' — files not installed', Log::DEBUG, 'mokosuiteclient');
+
+				return;
+			}
+
 			$db = Factory::getDbo();
 			$query = $db->getQuery(true)
 				->update($db->quoteName('#__extensions'))