diff --git a/scripts/get_hashes_page.py b/scripts/get_hashes_page.py
index 593e79704..d18f306d7 100644
--- a/scripts/get_hashes_page.py
+++ b/scripts/get_hashes_page.py
@@ -48,7 +48,7 @@ def generate_doc_file(cmp_version, contracts):
 
 def remove_prefix_from_names(contracts):
     for contract in contracts:
-        contract.update([("name", remove_prefix(contract['name'], 'openzeppelin_presets_'))])
+        contract["name"] = remove_prefix(contract['name'], 'openzeppelin_presets_')
     return contracts