diff --git a/zesje.dev.cfg b/zesje.dev.cfg
index 0bbf42e6a0f0ccff32c18772c46783869aff5b9c..9b5ee07e4c9703e05cc5e65cf000154d6f262d94 100644
--- a/zesje.dev.cfg
+++ b/zesje.dev.cfg
@@ -1,3 +1,4 @@
 BASIC_AUTH_USERNAME = 'test'
 BASIC_AUTH_PASSWORD = 'zesje'
 BASIC_AUTH_FORCE = 'True'
+FLASK_DEBUG = 1
diff --git a/zesje/__main__.py b/zesje/__main__.py
index 232d4dc7d97f99a7bf7704505d1c1f215c76368b..099f8892d9f2ab9b565ba7edec3af69ef740fcb3 100644
--- a/zesje/__main__.py
+++ b/zesje/__main__.py
@@ -3,4 +3,4 @@ import os
 sys.path.append(os.getcwd())
 
 from zesje import app
-app.run(debug=True)
+app.run()