diff --git a/plugins/importexport/pubmed/PubMedExportPlugin.php b/plugins/importexport/pubmed/PubMedExportPlugin.php
index f15296f8311..38601ea69e0 100644
--- a/plugins/importexport/pubmed/PubMedExportPlugin.php
+++ b/plugins/importexport/pubmed/PubMedExportPlugin.php
@@ -191,12 +191,9 @@ public function exportIssues($issueIds, $context, $user)
 
         foreach ($issueIds as $issueId) {
             $sections = Repo::section()->getByIssueId($issueId);
-            $submissionsInSections = [];
-            $submissionsInSections[] = Repo::submission()->getInSections($issueId, $context->getId());
+            $submissionsInSections = Repo::submission()->getInSections($issueId, $context->getId());
             foreach ($sections as $section) {
-                foreach ($submissionsInSections as $articles) {
-                    $input = array_merge($input, $articles[$section->getId()]['articles']);
-                }
+                $input = array_merge($input, $submissionsInSections[$section->getId()]['articles']);
             }
         }