diff --git a/lbrynet/extras/daemon/Daemon.py b/lbrynet/extras/daemon/Daemon.py
index c9e050936..e8e65d041 100644
--- a/lbrynet/extras/daemon/Daemon.py
+++ b/lbrynet/extras/daemon/Daemon.py
@@ -2231,6 +2231,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
         Usage:
             stream_update (<claim_id> | --claim_id=<claim_id>) [--bid=<bid>] [--file_path=<file_path>]
+                    [--file_name=<file_name>] [--file_size=<file_size>] [--file_hash=<file_hash>]
                     [--tags=<tags>...] [--clear_tags]
                     [--languages=<languages>...] [--clear_languages]
                     [--locations=<locations>...] [--clear_locations]
@@ -2246,6 +2247,9 @@ class Daemon(metaclass=JSONRPCServerType):
             --claim_id=<claim_id>          : (str) id of the stream claim to update
             --bid=<bid>                    : (decimal) amount to back the claim
             --file_path=<file_path>        : (str) path to file to be associated with name.
+            --file_name=<file_name>        : (str) override file name, defaults to name from file_path.
+            --file_size=<file_size>        : (str) override file size, otherwise automatically computed.
+            --file_hash=<file_hash>        : (str) override file hash, otherwise automatically computed.
             --fee_currency=<fee_currency>  : (string) specify fee currency
             --fee_amount=<fee_amount>      : (decimal) content download fee
             --fee_address=<fee_address>    : (str) address where to send fee payments, will use
diff --git a/lbrynet/schema/claim.py b/lbrynet/schema/claim.py
index 56580e7a6..9fe2ed40e 100644
--- a/lbrynet/schema/claim.py
+++ b/lbrynet/schema/claim.py
@@ -212,6 +212,12 @@ class Stream(BaseClaim):
 
         if 'sd_hash' in kwargs:
             self.source.sd_hash = kwargs.pop('sd_hash')
+        if 'file_size' in kwargs:
+            self.source.size = kwargs.pop('file_size')
+        if 'file_name' in kwargs:
+            self.source.name = kwargs.pop('file_name')
+        if 'file_hash' in kwargs:
+            self.source.file_hash = kwargs.pop('file_hash')
 
         stream_type = None
         if file_path is not None:
diff --git a/tests/integration/test_claim_commands.py b/tests/integration/test_claim_commands.py
index becfe0834..2224d8706 100644
--- a/tests/integration/test_claim_commands.py
+++ b/tests/integration/test_claim_commands.py
@@ -358,6 +358,15 @@ class StreamCommands(CommandTestCase):
         fixed_values['locations'] = [{'country': 'BR'}]
         self.assertEqual(txo['value'], fixed_values)
 
+        # modifying hash/size/name
+        fixed_values['source']['name'] = 'changed_name'
+        fixed_values['source']['hash'] = 'cafebeef'
+        fixed_values['source']['size'] = '42'
+        tx = await self.out(self.stream_update(
+            claim_id, file_name='changed_name', file_hash='cafebeef', file_size=42
+        ))
+        self.assertEqual(tx['outputs'][0]['value'], fixed_values)
+
         # send claim to someone else
         new_account = await self.out(self.daemon.jsonrpc_account_create('second account'))
         account2_id, account2 = new_account['id'], self.daemon.get_account_or_error(new_account['id'])