diff --git a/reflex/testing.py b/reflex/testing.py
index 7359631a1..b41e56884 100644
--- a/reflex/testing.py
+++ b/reflex/testing.py
@@ -250,7 +250,7 @@ class AppHarness:
 
     def _initialize_app(self):
         # disable telemetry reporting for tests
-        os.environ["TELEMETRY_ENABLED"] = "true"
+        os.environ["TELEMETRY_ENABLED"] = "false"
         self.app_path.mkdir(parents=True, exist_ok=True)
         if self.app_source is not None:
             app_globals = self._get_globals_from_signature(self.app_source)