diff --git a/opentech/apply/funds/tests/factories/blocks.py b/opentech/apply/funds/tests/factories/blocks.py
index 262c641f636619cfc1d782ba9e9928e19a8bfd4a..3a45e2d5b46a033b376a0486740286dfc0e0c888 100644
--- a/opentech/apply/funds/tests/factories/blocks.py
+++ b/opentech/apply/funds/tests/factories/blocks.py
@@ -35,6 +35,11 @@ class RadioFieldBlockFactory(FormFieldBlockFactory):
         model = stream_blocks.RadioButtonsFieldBlock
 
 
+class TitleBlockFactory(FormFieldBlockFactory):
+    class Meta:
+        model = blocks.TitleBlock
+
+
 class EmailBlockFactory(FormFieldBlockFactory):
     class Meta:
         model = blocks.EmailBlock
@@ -51,6 +56,7 @@ class RichTextFieldBlockFactory(FormFieldBlockFactory):
 
 
 CustomFormFieldsFactory = wagtail_factories.StreamFieldFactory({
+    'title': TitleBlockFactory,
     'email': EmailBlockFactory,
     'full_name': FullNameBlockFactory,
     'char': CharFieldBlockFactory,
diff --git a/opentech/apply/users/models.py b/opentech/apply/users/models.py
index 67307d6758918bd941cd6cab1355c34145ac5e72..26a0c2c355a20b12d08cdc30126ebbd9073ac29c 100644
--- a/opentech/apply/users/models.py
+++ b/opentech/apply/users/models.py
@@ -6,8 +6,9 @@ from .utils import send_activation_email
 
 
 def convert_full_name_to_parts(defaults):
-    full_name = defaults.pop('full_name')
+    full_name = defaults.pop('full_name', ' ')
     if not full_name:
+        # full_name was None
         full_name = ' '
     first_name, *last_name = full_name.split(' ')
     if first_name: