diff --git a/scripts/wichtelbot/database/database.ts b/scripts/wichtelbot/database/database.ts
index 650caaaa76c2b5a220dc12c0abb8df2d54dc64c8..8ad83fa0130450ce060320da0ec03d0160f8bfbb 100644
--- a/scripts/wichtelbot/database/database.ts
+++ b/scripts/wichtelbot/database/database.ts
@@ -51,6 +51,8 @@ export default class Database
         database.pragma('journal_mode = WAL');
         // We want save data, so full synchronous:
         database.pragma('synchronous = FULL');
+        // Enable foreign key constraints:
+        database.pragma('foreign_keys = ON');
 
         if (fileCreated || inMemory)
         {