diff --git a/CRM/Contribute/Form/Contribution/Confirm.php b/CRM/Contribute/Form/Contribution/Confirm.php
index a124683a7875..a4a03f0d4d2f 100644
--- a/CRM/Contribute/Form/Contribution/Confirm.php
+++ b/CRM/Contribute/Form/Contribution/Confirm.php
@@ -1527,6 +1527,7 @@ protected function postProcessMembership(
 
       $i = 1;
       foreach ($membershipTypeIDs as $memType) {
+        $membershipLineItems = array();
         if ($i < count($membershipTypeIDs)) {
           $membershipLineItems[$priceSetID][$membershipLines[$memType]] = $unprocessedLineItems[$priceSetID][$membershipLines[$memType]];
           unset($unprocessedLineItems[$priceSetID][$membershipLines[$memType]]);