diff --git a/database/create-schema.sql b/database/create-schema.sql
index cfff035..a7c3880 100644
--- a/database/create-schema.sql
+++ b/database/create-schema.sql
@@ -304,7 +304,7 @@ CREATE TABLE data.files (
     mime_id smallint NOT NULL,
     datetime timestamp with time zone DEFAULT clock_timestamp() NOT NULL,
     notes text,
-    metadata jsonb,
+    metadata jsonb NOT NULL,
     creator_id smallint NOT NULL,
     is_deleted boolean DEFAULT false NOT NULL
 );