diff --git a/pytest_flask/plugin.py b/pytest_flask/plugin.py
index 18240f6..2e5fd83 100755
--- a/pytest_flask/plugin.py
+++ b/pytest_flask/plugin.py
@@ -58,7 +58,7 @@ def test_json(client):
     if 'app' not in request.fixturenames:
         return
 
-    app = request.getfuncargvalue('app')
+    app = request.getfixturevalue('app')
     monkeypatch.setattr(app, 'response_class',
                         _make_test_response_class(app.response_class))
 
@@ -75,14 +75,14 @@ def test_app(app, client):
     if 'app' not in request.fixturenames:
         return
 
-    app = request.getfuncargvalue('app')
+    app = request.getfixturevalue('app')
 
     # Get application bound to the live server if ``live_server`` fixture
     # is applyed. Live server application has an explicit ``SERVER_NAME``,
     # so ``url_for`` function generates a complete URL for endpoint which
     # includes application port as well.
     if 'live_server' in request.fixturenames:
-        app = request.getfuncargvalue('live_server').app
+        app = request.getfixturevalue('live_server').app
 
     ctx = app.test_request_context()
     ctx.push()
@@ -106,7 +106,7 @@ def test_something(app):
     if 'app' not in request.fixturenames:
         return
 
-    app = request.getfuncargvalue('app')
+    app = request.getfixturevalue('app')
     options = request.keywords.get('options')
     if options is not None:
         for key, value in options.kwargs.items():