diff --git a/backend/.flaskenv b/backend/.flaskenv
index 046b50c..0366019 100644
--- a/backend/.flaskenv
+++ b/backend/.flaskenv
@@ -1,2 +1,3 @@
 FLASK_APP=microblog.py
+FLASK_DEBUG=0
 
diff --git a/backend/app/__init__.py b/backend/app/__init__.py
index d57d604..2ea3d48 100644
--- a/backend/app/__init__.py
+++ b/backend/app/__init__.py
@@ -11,5 +11,5 @@ migrate = Migrate(app, db)
 login = LoginManager(app)
 login.login_view = 'login'
 
-from app import routes, models
+from app import routes, models, errors
 
diff --git a/backend/app/errors.py b/backend/app/errors.py
new file mode 100644
index 0000000..4428603
--- /dev/null
+++ b/backend/app/errors.py
@@ -0,0 +1,13 @@
+from flask import render_template
+
+from app import app, db
+
+@app.errorhandler(404)
+def not_found_error(error):
+    return render_template('404.html'), 404
+
+@app.errorhandler(500)
+def internal_error(error):
+    db.session.rollback()
+    return render_template('500.html'), 500
+
diff --git a/backend/app/templates/404.html b/backend/app/templates/404.html
new file mode 100644
index 0000000..3c74661
--- /dev/null
+++ b/backend/app/templates/404.html
@@ -0,0 +1,8 @@
+{% extends "base.html" %}
+
+{% block content %}
+
+	<h1>File Not Found</h1>
+	<p><a href="{{ url_for('index') }}">Back</a></p>
+
+{% endblock %}
diff --git a/backend/app/templates/500.html b/backend/app/templates/500.html
new file mode 100644
index 0000000..699d215
--- /dev/null
+++ b/backend/app/templates/500.html
@@ -0,0 +1,9 @@
+{% extends "base.html" %}
+
+{% block content %}
+
+	<h1>An unexpected error has occurred.</h1>
+	<p>Administrator has been notified.</p>
+	<p><a href="{{ url_for('index') }}">Back</a></p>
+
+{% endblock %}