diff --git a/CFGBoltzmann.py b/CFGBoltzmann.py
index 27f87d79fda1f65b59bbcac8d07346b6874044e6..d8589a21c454e0808b0df1ffeeab727370e5287a 100644
--- a/CFGBoltzmann.py
+++ b/CFGBoltzmann.py
@@ -375,7 +375,7 @@ class CFGBoltzmann:
         #opsite = self.indexes_to_item(root_of_tree, operation_site_index)
 
 
-        generated_string = self.Gprim(nonterminal_index, chosen_production, depth, requested_length, depth,  root_of_tree, operation_site_index)
+        generated_string = self.Gprim(nonterminal_index, chosen_production, 0, requested_length, depth,  root_of_tree, operation_site_index)
 
         return generated_string