diff --git a/cursus/config.py b/cursus/config.py
index 5491d4d..1b7a8e9 100644
--- a/cursus/config.py
+++ b/cursus/config.py
@@ -112,6 +112,7 @@ class DevConfig(Config):
     CSRF_ENABLED = True
     LOG_LEVEL = "DEBUG"
     DATABASE_URL = os.environ.get("DATABASE_URL")
+    FLASK_ENV = "development"
 
 
 class ProdConfig(Config):
@@ -125,6 +126,7 @@ class ProdConfig(Config):
 
     DEBUG = False
     LOG_LEVEL = "INFO"
+    FLASK_ENV = "production"
     PREFERRED_URL_SCHEME = "https"
     DATABASE_URL = os.environ.get("DATABASE_URL")
 
@@ -143,3 +145,4 @@ class TestingConfig(Config):
     SWAGGER_API_SPEC_URL = ""
     DATABASE_URL = os.environ.get("TEST_DATABASE_URL")
     SQLALCHEMY_DATABASE_URI = os.environ.get("TEST_DATABASE_URL")
+    FLASK_ENV = "testing"
diff --git a/test/test_factory.py b/test/test_factory.py
index 825431b..f370df1 100644
--- a/test/test_factory.py
+++ b/test/test_factory.py
@@ -18,14 +18,18 @@ def test_config():
     load_dotenv(env_file, override=True)
 
     assets._named_bundles = {}  # pylint: disable=protected-access
+    os.environ["APP_SETTINGS"] = "cursus.config.DevConfig"
     app = create_app()
 
     assert not app.config["TESTING"]
+    assert app.config["FLASK_ENV"] == "development"
+    assert app.config["DATABASE_URL"] == os.environ.get("DATABASE_URL")
 
     assets._named_bundles = {}  # pylint: disable=protected-access
     app = create_app("cursus.config.TestingConfig")
 
     assert app.config["TESTING"]
+    assert app.config["FLASK_ENV"] == "testing"
     assert app.config["DATABASE_URL"] == os.environ.get("TEST_DATABASE_URL")