diff --git a/src/rail/estimation/algos/minisom_som.py b/src/rail/estimation/algos/minisom_som.py
index 79feaa9..221d944 100644
--- a/src/rail/estimation/algos/minisom_som.py
+++ b/src/rail/estimation/algos/minisom_som.py
@@ -224,6 +224,7 @@ def __init__(self, args, comm=None):
         self.n_dim = None
 
     def run(self):
+        self.open_model(**self.config)               
         self.som = self.model['som']
         self.usecols = self.model['usecols']
         self.column_usage = self.model['column_usage']
diff --git a/src/rail/estimation/algos/somoclu_som.py b/src/rail/estimation/algos/somoclu_som.py
index 7430d13..4811f28 100644
--- a/src/rail/estimation/algos/somoclu_som.py
+++ b/src/rail/estimation/algos/somoclu_som.py
@@ -365,6 +365,7 @@ def get_som_coordinates(self, data, weight_col):
         return som_coords
 
     def run(self):
+        self.open_model(**self.config)        
         self.som = self.model['som']
         self.usecols = self.model['usecols']
         self.column_usage = self.model['column_usage']