diff --git a/edx_exams/apps/core/management/commands/test/test_bulk_add_course_staff.py b/edx_exams/apps/core/management/commands/test/test_bulk_add_course_staff.py
index 8e1da341..4200773d 100644
--- a/edx_exams/apps/core/management/commands/test/test_bulk_add_course_staff.py
+++ b/edx_exams/apps/core/management/commands/test/test_bulk_add_course_staff.py
@@ -81,7 +81,7 @@ def test_add_course_staff_with_batch_size(self):
             csv = self._write_test_csv(csv, lines)
             # todo: figure out how to check success but not via logs
             # todo: assert number of queries is correct
-            call_command(self.command, f'--csv_path={csv.name} --batch_size=1')
+            call_command(self.command, f'--csv_path={csv.name}', '--batch_size=1')
             assert CourseStaffRole.objects.filter(course_id='course-v1:edx+test+f20').count() == 2
 
     def test_add_course_staff_with_batch_delay(self):