diff --git a/app/database/add_oceans_garden.py b/app/database/add_oceans_garden.py
index fcc063f..51a4d00 100644
--- a/app/database/add_oceans_garden.py
+++ b/app/database/add_oceans_garden.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from models import Location, Product
 from app import db
 from itertools import product
diff --git a/app/database/add_simpizza.py b/app/database/add_simpizza.py
index 59bfb2e..4414034 100644
--- a/app/database/add_simpizza.py
+++ b/app/database/add_simpizza.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from models import Location, Product
 from app import db
 
diff --git a/app/models.py b/app/models.py
index 2507e82..5bec32f 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from datetime import datetime
 from collections import defaultdict
 
diff --git a/app/utils.py b/app/utils.py
index 9742ff9..e17f506 100644
--- a/app/utils.py
+++ b/app/utils.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from datetime import datetime
 from flask import render_template