diff --git a/src/UnicaenOracle/Service/DataService.php b/src/UnicaenOracle/Service/DataService.php
index 69e449cec92ead748e10c96ee0fcecec296c1698..d4ab1670c7d50ce9f85ac160691c6406b966927e 100644
--- a/src/UnicaenOracle/Service/DataService.php
+++ b/src/UnicaenOracle/Service/DataService.php
@@ -66,6 +66,8 @@ class DataService
             }
             fclose($fh);
             $outputFilePaths[] = $outputFilePath;
+
+            yield $outputFilePath;
         }
         sort($outputFilePaths);