diff --git a/zerver/lib/actions.py b/zerver/lib/actions.py
index 38395f1ad3..c9f3f3744a 100644
--- a/zerver/lib/actions.py
+++ b/zerver/lib/actions.py
@@ -700,7 +700,7 @@ def do_reactivate_realm(realm: Realm) -> None:
 
     event_time = timezone_now()
     RealmAuditLog.objects.create(
-        realm=realm, event_type='realm_reactivated', event_time=event_time)
+        realm=realm, event_type=RealmAuditLog.REALM_REACTIVATED, event_time=event_time)
 
 def do_deactivate_user(user_profile: UserProfile,
                        acting_user: Optional[UserProfile]=None,
diff --git a/zerver/models.py b/zerver/models.py
index 3eb8bbab57..b49c2e9b72 100644
--- a/zerver/models.py
+++ b/zerver/models.py
@@ -1974,6 +1974,7 @@ class RealmAuditLog(models.Model):
     USER_API_KEY_CHANGED = 'user_api_key_changed'
 
     REALM_DEACTIVATED = 'realm_deactivated'
+    REALM_REACTIVATED = 'realm_reactivated'
 
     event_type = models.CharField(max_length=40)  # type: str