diff --git a/src/Dev/CsvBulkLoader.php b/src/Dev/CsvBulkLoader.php
index d23ee2485..be6ea4c9c 100644
--- a/src/Dev/CsvBulkLoader.php
+++ b/src/Dev/CsvBulkLoader.php
@@ -75,6 +75,7 @@ class CsvBulkLoader extends BulkLoader
         try {
             $filepath = Director::getAbsFile($filepath);
             $csvReader = Reader::createFromPath($filepath, 'r');
+            $csvReader->setDelimiter($this->delimiter);
 
             $tabExtractor = function ($row, $rowOffset, $iterator) {
                 foreach ($row as &$item) {