diff --git a/plugin-update-checker.php b/plugin-update-checker.php
index 260ebdc..3825b55 100644
--- a/plugin-update-checker.php
+++ b/plugin-update-checker.php
@@ -1250,6 +1250,9 @@ class PucScheduler_3_0 {
 
 endif;
 
+
+if ( !class_exists('PucUpgraderStatus_3_0', false) ):
+
 /**
  * A utility class that helps figure out which plugin WordPress is upgrading.
  *
@@ -1390,6 +1393,8 @@ class PucUpgraderStatus_3_0 {
 	}
 }
 
+endif;
+
 
 if ( !class_exists('PucFactory', false) ):