diff --git a/data-exporters/slate-cbl/student-tasks.php b/data-exporters/slate-cbl/student-tasks.php
index 13e5a9d0f..77002bee3 100644
--- a/data-exporters/slate-cbl/student-tasks.php
+++ b/data-exporters/slate-cbl/student-tasks.php
@@ -226,7 +226,7 @@
         // build rows
         $result = DB::query(
             '
-                SELECT DISTINCT %2$s.*
+                SELECT %2$s.*
                     FROM `%1$s` %2$s
                     %3$s
                     WHERE ((%4$s)