diff --git a/archivebox/tests/conftest.py b/archivebox/tests/conftest.py
index 694206d1..99fc5313 100644
--- a/archivebox/tests/conftest.py
+++ b/archivebox/tests/conftest.py
@@ -211,6 +211,7 @@ def run_archivebox_cmd(
         if disable_extractors:
             run_env.update(
                 {
+                    "PLUGINS": "__archivebox_test_no_plugins__",
                     "SAVE_ARCHIVEDOTORG": "False",
                     "SAVE_TITLE": "False",
                     "SAVE_FAVICON": "False",