diff --git a/electrum/plugins/keepkey/keepkey.py b/electrum/plugins/keepkey/keepkey.py
index 611fe8442..39c0cefcc 100644
--- a/electrum/plugins/keepkey/keepkey.py
+++ b/electrum/plugins/keepkey/keepkey.py
@@ -382,7 +382,7 @@ class KeepKeyPlugin(HW_PluginBase):
             txoutputtype.amount = amount
             if _type == TYPE_SCRIPT:
                 txoutputtype.script_type = self.types.PAYTOOPRETURN
-                txoutputtype.op_return_data = address[2:]
+                txoutputtype.op_return_data = bfh(address)[2:]
             elif _type == TYPE_ADDRESS:
                 if is_segwit_address(address):
                     txoutputtype.script_type = self.types.PAYTOWITNESS
diff --git a/electrum/plugins/safe_t/safe_t.py b/electrum/plugins/safe_t/safe_t.py
index 4d4410de1..6b9f8b982 100644
--- a/electrum/plugins/safe_t/safe_t.py
+++ b/electrum/plugins/safe_t/safe_t.py
@@ -453,7 +453,7 @@ class SafeTPlugin(HW_PluginBase):
             txoutputtype.amount = amount
             if _type == TYPE_SCRIPT:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOOPRETURN
-                txoutputtype.op_return_data = address[2:]
+                txoutputtype.op_return_data = bfh(address)[2:]
             elif _type == TYPE_ADDRESS:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOADDRESS
                 txoutputtype.address = address
diff --git a/electrum/plugins/trezor/trezor.py b/electrum/plugins/trezor/trezor.py
index 7fecd1e6f..7d14008a1 100644
--- a/electrum/plugins/trezor/trezor.py
+++ b/electrum/plugins/trezor/trezor.py
@@ -464,7 +464,7 @@ class TrezorPlugin(HW_PluginBase):
             txoutputtype.amount = amount
             if _type == TYPE_SCRIPT:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOOPRETURN
-                txoutputtype.op_return_data = address[2:]
+                txoutputtype.op_return_data = bfh(address)[2:]
             elif _type == TYPE_ADDRESS:
                 txoutputtype.script_type = self.types.OutputScriptType.PAYTOADDRESS
                 txoutputtype.address = address