diff --git a/app/core/models/content/indexation_mixins.py b/app/core/models/content/indexation_mixins.py
index 0a9404d..649c2d2 100644
--- a/app/core/models/content/indexation_mixins.py
+++ b/app/core/models/content/indexation_mixins.py
@@ -55,7 +55,7 @@ class UserContentIndexationMixin:
                 assert cc_indexator_data['type'] == 1, "Type is not a content"
                 assert cc_indexator_data['address'] == self.onchain_address, "Address is not equal"
                 values_slice = cc_indexator_data['values'].begin_parse()
-                content_hash_b58 = base58.b58encode(bytes.fromhex(values_slice.read_uint(256).hex()[2:])).decode()
+                content_hash_b58 = base58.b58encode(bytes.fromhex(hex(values_slice.read_uint(256))[2:])).decode()
                 stored_content = db_session.query(StoredContent).filter(
                     and_(
                         StoredContent.type == 'onchain/content',