diff --git a/src/Source/AbstractSpreadsheet.php b/src/Source/AbstractSpreadsheet.php
index 39d6861..dd53cf4 100644
--- a/src/Source/AbstractSpreadsheet.php
+++ b/src/Source/AbstractSpreadsheet.php
@@ -152,6 +152,10 @@ protected function prepareIterator()
                 $this->reader = ReaderEntityFactory::createODSReader();
                 break;
         }
+
+        // Important, else next rows will be skipped.
+        $this->reader->setShouldPreserveEmptyRows(true);
+
         try {
             $this->reader->open($this->source);
         } catch (\Box\Spout\Common\Exception\IOException $e) {