diff --git a/plinth/tests/functional/__init__.py b/plinth/tests/functional/__init__.py
index 7b109b9d8..9a5b6394f 100644
--- a/plinth/tests/functional/__init__.py
+++ b/plinth/tests/functional/__init__.py
@@ -763,7 +763,8 @@ class BaseAppTests:
     def fixture_disable_after_tests(self, session_browser):
         """Disable the app after running tests."""
         yield
-        if self.disable_after_tests:
+        if self.disable_after_tests and is_installed(session_browser,
+                                                     self.app_name):
             app_disable(session_browser, self.app_name)
 
     @pytest.fixture(autouse=True, name='background')