diff --git a/crc/scripts/request_approval.py b/crc/scripts/request_approval.py
index 1df1a670..1e5d2c6c 100644
--- a/crc/scripts/request_approval.py
+++ b/crc/scripts/request_approval.py
@@ -26,7 +26,8 @@ RequestApproval approver1 "dhf8r"
             ApprovalService.add_approval(study_id, workflow_id, args)
         elif isinstance(uids, list):
             for id in uids:
-                ApprovalService.add_approval(study_id, workflow_id, id)
+                if id: ## Assure it's not empty or null
+                    ApprovalService.add_approval(study_id, workflow_id, id)
 
     def get_uids(self, task, args):
         if len(args) < 1:
diff --git a/tests/test_request_approval_script.py b/tests/test_request_approval_script.py
index 2f4ab49e..8cd56807 100644
--- a/tests/test_request_approval_script.py
+++ b/tests/test_request_approval_script.py
@@ -1,6 +1,6 @@
-from crc.services.file_service import FileService
 from tests.base_test import BaseTest
 
+from crc.services.file_service import FileService
 from crc.scripts.request_approval import RequestApproval
 from crc.services.workflow_processor import WorkflowProcessor
 from crc.api.common import ApiError
@@ -26,6 +26,22 @@ class TestRequestApprovalScript(BaseTest):
         script.do_task(task, workflow.study_id, workflow.id, "study.approval1", "study.approval2")
         self.assertEquals(2, db.session.query(ApprovalModel).count())
 
+    def test_do_task_with_blank_second_approver(self):
+        self.load_example_data()
+        self.create_reference_document()
+        workflow = self.create_workflow('empty_workflow')
+        processor = WorkflowProcessor(workflow)
+        task = processor.next_task()
+        task.data = {"study": {"approval1": "dhf8r", 'approval2':''}}
+        FileService.add_workflow_file(workflow_id=workflow.id,
+                                      irb_doc_code="UVACompl_PRCAppr",
+                                      name="anything.png", content_type="text",
+                                      binary_data=b'1234')
+        script = RequestApproval()
+        script.do_task(task, workflow.study_id, workflow.id, "study.approval1", "study.approval2")
+        self.assertEquals(1, db.session.query(ApprovalModel).count())
+
+
     def test_do_task_with_incorrect_argument(self):
         """This script should raise an error if it can't figure out the approvers."""
         self.load_example_data()