diff --git a/gcm_toolkit/exorad/utils.py b/gcm_toolkit/exorad/utils.py
index 7661eb9..9554f53 100755
--- a/gcm_toolkit/exorad/utils.py
+++ b/gcm_toolkit/exorad/utils.py
@@ -97,7 +97,7 @@ def convert_winds_and_t(dsi, temp_dim, w_dim):
             grid = cs.init_grid_CS(ds=dsi)
         else:
             grid = cs.init_grid_LL(ds=dsi)
-
+	
         w_interp = grid.interp(dsi[w_dim], axis=c.Z, to="center")
 
         # convert vertical wind speed from Pa/s to m/s
diff --git a/gcm_toolkit/utils/interface.py b/gcm_toolkit/utils/interface.py
index ff51783..b8c94dd 100644
--- a/gcm_toolkit/utils/interface.py
+++ b/gcm_toolkit/utils/interface.py
@@ -868,7 +868,7 @@ def _get_1_transit_spectra(self, lat, lon, mass_frac, gravity, mmw, rplanet,
         # check if clouds are wished
         cloud_data = np.zeros((2, len(self.prt.freq), len(self.prt.press)))
         if do_clouds:
-            cloud_data = _cloud_init(lat, lon, clouds, use_bruggemann)
+            cloud_data = self._cloud_init(lat, lon, clouds, use_bruggemann)
 
         # check if all opacity species are in mass fractions
         for key in self.prt.line_species: