diff --git a/conftest.py b/conftest.py
index ce403a87c0873d49d279cc692e128d2229d6a981..ebd72bdc77cc352960a98b4a763feb18ce76628a 100644
--- a/conftest.py
+++ b/conftest.py
@@ -62,7 +62,8 @@ except ImportError:
                        os.path.join(SCRIPT_FOLDER,
                                     "lbmpy_tests/full_scenarios/kida_vortex_flow/scenario_kida_vortex_flow.py"),
                        os.path.join(SCRIPT_FOLDER, "lbmpy_tests/full_scenarios/shear_wave/scenario_shear_wave.py"),
-                       os.path.join(SCRIPT_FOLDER, "lbmpy_tests/test_json_serializer.py")]
+                       os.path.join(SCRIPT_FOLDER, "lbmpy_tests/test_json_serializer.py"),
+                       os.path.join(SCRIPT_FOLDER, "lbmpy/db.py")]
 
 if platform.system().lower() == 'windows':
     collect_ignore += [os.path.join(SCRIPT_FOLDER, "lbmpy_tests/test_quicktests.py")]