diff --git a/export/solicitudes_excel.php b/export/solicitudes_excel.php
index de92089..0ae44cc 100644
--- a/export/solicitudes_excel.php
+++ b/export/solicitudes_excel.php
@@ -44,8 +44,8 @@ if(isset($_POST["prof"]) ){
     $query .= "NULL,";
 }
 $query .= ":f_ini, :f_fin, ";
-$repoParams[":f_ini"] = $fecha_ini;
-$repoParams[":f_fin"] = $fecha_fin;
+$repoParams[":f_ini"] = DateTime::createFromFormat('d/m/Y', $fecha_ini)->format('Y-m-d');
+$repoParams[":f_fin"] = DateTime::createFromFormat('d/m/Y', $fecha_fin)->format('Y-m-d');
 
 $spreadsheet = new Spreadsheet();