diff --git a/awx/main/tests/jobs/job_launch.py b/awx/main/tests/jobs/job_launch.py
index 1979a0c571..32b0e62287 100644
--- a/awx/main/tests/jobs/job_launch.py
+++ b/awx/main/tests/jobs/job_launch.py
@@ -185,3 +185,9 @@ class JobTemplateLaunchPasswordsTest(BaseJobTestMixin, django.test.TestCase):
             response = self.post(self.launch_url, {'ssh_password': 'whatever'}, expect=202)
             j = Job.objects.get(pk=response['job'])
             self.assertEqual(j.status, 'new')
+
+    def test_explicit_cred_with_ask_password_empty_string_fail(self):
+        with self.current_user(self.user_sue):
+            response = self.post(self.launch_url, {'ssh_password': ''}, expect=400)
+            j = Job.objects.get(pk=response['job'])
+            self.assertEqual(j.status, 'new')