diff --git a/lbry/extras/daemon/daemon.py b/lbry/extras/daemon/daemon.py
index bac6c3e6e..c67a5b7e4 100644
--- a/lbry/extras/daemon/daemon.py
+++ b/lbry/extras/daemon/daemon.py
@@ -2914,7 +2914,7 @@ class Daemon(metaclass=JSONRPCServerType):
             wallet, channel_account_id, channel_id, channel_name, for_signing=True
         )
         timestamp = str(int(time.time()))
-        signature = signing_channel.sign_data(unhexlify(hexdata), timestamp)
+        signature = signing_channel.sign_data(unhexlify(str(hexdata)), timestamp)
         return {
             'signature': signature,
             'signing_ts': timestamp
diff --git a/tests/integration/claims/test_claim_commands.py b/tests/integration/claims/test_claim_commands.py
index e8b1e0d3f..b5aeefdd0 100644
--- a/tests/integration/claims/test_claim_commands.py
+++ b/tests/integration/claims/test_claim_commands.py
@@ -1233,6 +1233,8 @@ class ChannelCommands(CommandTestCase):
         signature2 = await self.out(self.daemon.jsonrpc_channel_sign(channel_id=channel.claim_id, hexdata=data_to_sign))
         self.assertTrue(verify(channel, unhexlify(data_to_sign), signature1))
         self.assertTrue(verify(channel, unhexlify(data_to_sign), signature2))
+        signature3 = await self.out(self.daemon.jsonrpc_channel_sign(channel_id=channel.claim_id, hexdata=99))
+        self.assertTrue(verify(channel, unhexlify('99'), signature3))
 
     async def test_channel_export_import_before_sending_channel(self):
         # export