diff --git a/app/Helpers/merge_pdf_helper.php b/app/Helpers/merge_pdf_helper.php
index a192e33e..1751661f 100644
--- a/app/Helpers/merge_pdf_helper.php
+++ b/app/Helpers/merge_pdf_helper.php
@@ -72,6 +72,14 @@ if (! function_exists('merge_ticket_pdfs')) {
             return $result;
         }
 
+        if (count($rows) ==1){
+            //set file_type for for that one file.
+            $claimFiles->where('id', $rows[0]['id'])->set(['file_type' => 4])->update();
+            $result['status']  = true;
+            $result['message'] = 'Only one PDF/image file to merge';
+            return $result;
+        }
+
         $uploadDir = rtrim(WRITEPATH, '/\\') . DIRECTORY_SEPARATOR
                    . 'uploads' . DIRECTORY_SEPARATOR
                    . 'claim_files' . DIRECTORY_SEPARATOR;