diff --git a/db/migrate/20210119195318_set_anonymous_to_default_to_false.rb b/db/migrate/20210119195318_set_anonymous_to_default_to_false.rb
new file mode 100644
index 00000000..8d645463
--- /dev/null
+++ b/db/migrate/20210119195318_set_anonymous_to_default_to_false.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# License: AGPL-3.0-or-later WITH WTO-AP-3.0-or-later
+# Full license explanation at https://github.com/houdiniproject/houdini/blob/master/LICENSE
+class SetAnonymousToDefaultToFalse < ActiveRecord::Migration[6.1]
+  def change
+    change_column_default :supporters, :anonymous, from: nil, to: false
+    change_column_null :supporters, :anonymous, false, false
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index 6e424758..be704bde 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -2056,7 +2056,7 @@ CREATE TABLE public.supporters (
     address character varying(255),
     city character varying(255),
     state_code character varying(255),
-    anonymous boolean,
+    anonymous boolean DEFAULT false NOT NULL,
     zip_code character varying(255),
     latitude double precision,
     longitude double precision,
@@ -4159,6 +4159,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20210111220133'),
 ('20210114213034'),
 ('20210115203009'),
-('20210115230815');
+('20210115230815'),
+('20210119195318');