diff --git a/clmm/dataops/__init__.py b/clmm/dataops/__init__.py
index 82b61b20e..00865b0d1 100644
--- a/clmm/dataops/__init__.py
+++ b/clmm/dataops/__init__.py
@@ -133,7 +133,7 @@ def compute_tangential_and_cross_components(
             names=("Ra", "Dec", "Shear1", "Shear2"),
             prefix="Tangential- and Cross- shape components sources",
         )
-        _validate_is_deltasigma_sigma_c(locals())
+        _validate_is_deltasigma_sigma_c(is_deltasigma, sigma_c)
     elif np.iterable(ra_source):
         ra_source_, dec_source_, shear1_, shear2_ = (
             np.array(col) for col in [ra_source, dec_source, shear1, shear2]
@@ -248,8 +248,8 @@ def compute_galaxy_weights(
     Parameters
     ----------
     is_deltasigma: bool
-        If `True`, the tangential and cross components returned are multiplied by Sigma_crit.
-        It requires `sigma_c` argument. Results in units of :math:`M_\odot\ Mpc^{-2}`
+        If `False`, weights are computed for shear, else weights are computed for
+        :math:`\Delta \Sigma`.
     sigma_c : None, array_like
         Critical (effective) surface density in units of :math:`M_\odot\ Mpc^{-2}`.
         Used only when is_deltasigma=True.
@@ -292,7 +292,7 @@ def compute_galaxy_weights(
             names=("shape_component1", "shape_component2"),
             prefix="Shape components sources",
         )
-        _validate_is_deltasigma_sigma_c(locals())
+        _validate_is_deltasigma_sigma_c(is_deltasigma, sigma_c)
 
     # computing w_ls_geo
     w_ls_geo = 1.0
diff --git a/clmm/utils/validation.py b/clmm/utils/validation.py
index f08e2ad86..f4a322002 100644
--- a/clmm/utils/validation.py
+++ b/clmm/utils/validation.py
@@ -209,16 +209,18 @@ def _validate_dec(loc, dec_name, is_array):
     validate_argument(loc, dec_name, v_type, argmin=-90, eqmin=True, argmax=90, eqmax=True)
 
 
-def _validate_is_deltasigma_sigma_c(loc):
-    """ "Validate the compatibility between is_deltasigma and sigma_c arguments.
+def _validate_is_deltasigma_sigma_c(is_deltasigma, sigma_c):
+    r""" "Validate the compatibility between is_deltasigma and sigma_c arguments.
 
 
     Parameters
     ----------
-    loc: dict
-        Dictionary with all input arguments. Should be locals().
+    is_deltasigma: bool
+        If `False`, values are computed for shear, else they are computed for :math:`\Delta \Sigma`.
+    sigma_c : None, array_like
+        Critical (effective) surface density in units of :math:`M_\odot\ Mpc^{-2}`.
     """
-    if loc["is_deltasigma"] and loc["sigma_c"] is None:
+    if is_deltasigma and sigma_c is None:
         raise TypeError("sigma_c (=None) must be provided when is_deltasigma=True")
-    if not loc["is_deltasigma"] and loc["sigma_c"] is not None:
-        raise TypeError(f"sigma_c (={loc['sigma_c']}) be provided when is_deltasigma=False")
+    if not is_deltasigma and sigma_c is not None:
+        raise TypeError(f"sigma_c (={sigma_c}) be provided when is_deltasigma=False")