diff --git a/autoarray/inversion/inversion/imaging/mapping.py b/autoarray/inversion/inversion/imaging/mapping.py
index a03b0a3a..00c618eb 100644
--- a/autoarray/inversion/inversion/imaging/mapping.py
+++ b/autoarray/inversion/inversion/imaging/mapping.py
@@ -98,7 +98,6 @@ def curvature_matrix(self):
             settings=self.settings,
             add_to_curvature_diag=True,
             no_regularization_index_list=self.no_regularization_index_list,
-            use_mixed_precision=self.settings.use_mixed_precision,
             xp=self._xp,
         )
 
diff --git a/autoarray/inversion/inversion/interferometer/mapping.py b/autoarray/inversion/inversion/interferometer/mapping.py
index e516bf0d..f1455b93 100644
--- a/autoarray/inversion/inversion/interferometer/mapping.py
+++ b/autoarray/inversion/inversion/interferometer/mapping.py
@@ -88,12 +88,14 @@ def curvature_matrix(self) -> np.ndarray:
         real_curvature_matrix = inversion_util.curvature_matrix_via_mapping_matrix_from(
             mapping_matrix=self.operated_mapping_matrix.real,
             noise_map=self.noise_map.real,
+            settings=self.settings,
             xp=self._xp,
         )
 
         imag_curvature_matrix = inversion_util.curvature_matrix_via_mapping_matrix_from(
             mapping_matrix=self.operated_mapping_matrix.imag,
             noise_map=self.noise_map.imag,
+            settings=self.settings,
             xp=self._xp,
         )
 
diff --git a/autoarray/inversion/inversion/inversion_util.py b/autoarray/inversion/inversion/inversion_util.py
index 92f65b06..7d2e6400 100644
--- a/autoarray/inversion/inversion/inversion_util.py
+++ b/autoarray/inversion/inversion/inversion_util.py
@@ -83,7 +83,6 @@ def curvature_matrix_via_mapping_matrix_from(
     add_to_curvature_diag: bool = False,
     no_regularization_index_list: Optional[List] = None,
     settings: "SettingsInversion" = SettingsInversion(),
-    use_mixed_precision: bool = False,
     xp=np,
 ) -> np.ndarray:
     """
@@ -105,7 +104,7 @@ def curvature_matrix_via_mapping_matrix_from(
     else:
         # Choose compute dtype
 
-        compute_dtype = xp.float32 if use_mixed_precision else xp.float64
+        compute_dtype = xp.float32 if settings.use_mixed_precision else xp.float64
         out_dtype = xp.float64  # always return float64 for downstream stability
 
         A = mapping_matrix