diff --git a/vayesta/core/qemb/qemb.py b/vayesta/core/qemb/qemb.py
index 1b99529f..ae7b6562 100644
--- a/vayesta/core/qemb/qemb.py
+++ b/vayesta/core/qemb/qemb.py
@@ -81,7 +81,7 @@ class Options(OptionsBase):
         # General
         bathtype="dmet",
         canonicalize=True,
-        occupation_tolerance=1e-8,
+        occupation_tolerance=1e-6,
         # DMET bath
         dmet_threshold=1e-8,
         # R2 bath