diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index ef80680ae..22eaa52c5 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -155,7 +155,11 @@ if ( !empty($action) ) {
 			}
 
 			@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
-			include(WP_PLUGIN_DIR . '/' . $plugin);
+			// Go back to "sandbox" scope so we get the same errors as before
+			function plugin_sandbox_scrape( $plugin ) {
+				include( WP_PLUGIN_DIR . '/' . $plugin );
+			}
+			plugin_sandbox_scrape( $plugin );
 			do_action('activate_' . $plugin);
 			exit;
 			break;