diff --git a/soliket/mflike/theoryforge_MFLike.py b/soliket/mflike/theoryforge_MFLike.py
index 2fbd0a43..eb3d9f1d 100644
--- a/soliket/mflike/theoryforge_MFLike.py
+++ b/soliket/mflike/theoryforge_MFLike.py
@@ -80,11 +80,11 @@ def initialize(self):
         # State requisites to the theory code
         # Which lmax for theory CMB
         # Note this must be greater than lmax above to avoid approx errors
-        self.lmax_boltzmann = 9000
+        self.lmax_boltzmann = self.lmax + 500
 
         # Which lmax for theory FG
         # This can be larger than lmax boltzmann
-        self.lmax_fg = 9000
+        self.lmax_fg = self.lmax + 500
 
         # Which spectra to consider
         self.requested_cls = self.spectra["polarizations"]