diff --git a/src/database.py b/src/database.py
index 3b9de14..0f65e2a 100644
--- a/src/database.py
+++ b/src/database.py
@@ -1,6 +1,7 @@
 import json
 
 from src.constants import dbPath
+from src.utils import toJson
 
 
 class Database:
@@ -10,5 +11,5 @@ class Database:
 
     def save(self):
         f = open(dbPath, 'w')
-        f.write(json.dumps(self))
+        f.write(toJson(self))
         f.close()
diff --git a/src/utils.py b/src/utils.py
new file mode 100644
index 0000000..d98f202
--- /dev/null
+++ b/src/utils.py
@@ -0,0 +1,5 @@
+import json
+
+
+def toJson(obj):
+    return json.dumps(obj, default=lambda o: o.__dict__, sort_keys=True, indent=4)