diff --git a/libraries/plugins/export/ExportSql.class.php b/libraries/plugins/export/ExportSql.class.php
index a5caffee7c..243644663f 100644
--- a/libraries/plugins/export/ExportSql.class.php
+++ b/libraries/plugins/export/ExportSql.class.php
@@ -523,9 +523,11 @@ class ExportSql extends ExportPlugin
                 return '--' . $GLOBALS['crlf'];
             } else {
                 $lines = preg_split("/\\r\\n|\\r|\\n/", $text);
+                $result = array();
                 foreach ($lines as $line) {
-                    return '-- ' . $line . $GLOBALS['crlf'];
+                    $result[] = '-- ' . $line . $GLOBALS['crlf'];
                 }
+                return implode('', $result);
             }
         } else {
             return '';