diff --git a/app/models/event_exhibit_tracking_models.py b/app/models/event_exhibit_tracking_models.py
index 6acf27a..9a95573 100644
--- a/app/models/event_exhibit_tracking_models.py
+++ b/app/models/event_exhibit_tracking_models.py
@@ -63,9 +63,9 @@ class Event_Exhibit_Tracking_Base(BaseModel):
 
     event_badge_designations: Optional[str]
     event_badge_professional_title: Optional[str]
-    event_badge_display_professional_title
+    event_badge_display_professional_title: Optional[str]
     event_badge_affiliations: Optional[str]
-    event_badge_display_affiliations
+    event_badge_display_affiliations: Optional[str]
 
     event_badge_email: Optional[str]
 
@@ -76,8 +76,8 @@ class Event_Exhibit_Tracking_Base(BaseModel):
     event_badge_country_alpha_2_code: Optional[str]
     event_badge_country: Optional[str]
 
-    event_badge_location
-    event_badge_display_location
+    event_badge_location: Optional[str]
+    event_badge_display_location: Optional[str]
 
     event_person_informal_name: Optional[str]
     event_person_given_name: Optional[str]