diff --git a/pipt/update_schemes/enrml.py b/pipt/update_schemes/enrml.py
index 632564b..9dbca40 100644
--- a/pipt/update_schemes/enrml.py
+++ b/pipt/update_schemes/enrml.py
@@ -84,7 +84,7 @@ def __init__(self, keys_da, keys_fwd, sim):
             self.data_random_state = cp.deepcopy(np.random.get_state())
             self._ext_obs()
             # Get state scaling and svd of scaled prior
-            self._ext_state()
+            self._ext_scaling()
             self.current_state = cp.deepcopy(self.state)
 
     def calc_analysis(self):
@@ -340,7 +340,7 @@ def __init__(self, keys_da, keys_fwd, sim):
             # Get the perturbed observations and observation scaling
             self._ext_obs()
             # Get state scaling and svd of scaled prior
-            self._ext_state()
+            self._ext_scaling()
             self.current_state = cp.deepcopy(self.state)
             # ensure that the updates does not invoke the LM inflation of the Hessian.
             self.lam = 0