diff --git a/homeassistant/components/modbus/const.py b/homeassistant/components/modbus/const.py
index ada56c46f79..dafc604e781 100644
--- a/homeassistant/components/modbus/const.py
+++ b/homeassistant/components/modbus/const.py
@@ -97,6 +97,7 @@ CONF_VIRTUAL_COUNT = "virtual_count"
 CONF_WRITE_TYPE = "write_type"
 CONF_ZERO_SUPPRESS = "zero_suppress"
 
+DEVICE_ID = "device_id"
 RTUOVERTCP = "rtuovertcp"
 SERIAL = "serial"
 TCP = "tcp"
diff --git a/homeassistant/components/modbus/modbus.py b/homeassistant/components/modbus/modbus.py
index 6f1a4bfd5b1..5ddde2973ee 100644
--- a/homeassistant/components/modbus/modbus.py
+++ b/homeassistant/components/modbus/modbus.py
@@ -57,6 +57,7 @@ from .const import (
     CONF_PARITY,
     CONF_STOPBITS,
     DEFAULT_HUB,
+    DEVICE_ID,
     MODBUS_DOMAIN as DOMAIN,
     PLATFORMS,
     RTUOVERTCP,
@@ -380,7 +381,7 @@ class ModbusHub:
     ) -> ModbusPDU | None:
         """Call sync. pymodbus."""
         kwargs: dict[str, Any] = (
-            {ATTR_SLAVE: slave} if slave is not None else {ATTR_SLAVE: 1}
+            {DEVICE_ID: slave} if slave is not None else {DEVICE_ID: 1}
         )
         entry = self._pb_request[use_call]
 
diff --git a/tests/components/modbus/test_climate.py b/tests/components/modbus/test_climate.py
index 54d4c5f6666..38f2aa3337f 100644
--- a/tests/components/modbus/test_climate.py
+++ b/tests/components/modbus/test_climate.py
@@ -467,7 +467,7 @@ async def test_hvac_onoff_values(hass: HomeAssistant, mock_modbus) -> None:
     )
     await hass.async_block_till_done()
 
-    mock_modbus.write_register.assert_called_with(11, value=0xAA, slave=10)
+    mock_modbus.write_register.assert_called_with(11, value=0xAA, device_id=10)
 
     await hass.services.async_call(
         CLIMATE_DOMAIN,
@@ -477,7 +477,7 @@ async def test_hvac_onoff_values(hass: HomeAssistant, mock_modbus) -> None:
     )
     await hass.async_block_till_done()
 
-    mock_modbus.write_register.assert_called_with(11, value=0xFF, slave=10)
+    mock_modbus.write_register.assert_called_with(11, value=0xFF, device_id=10)
 
 
 @pytest.mark.parametrize(
@@ -506,7 +506,7 @@ async def test_hvac_onoff_coil(hass: HomeAssistant, mock_modbus) -> None:
     )
     await hass.async_block_till_done()
 
-    mock_modbus.write_coil.assert_called_with(11, value=1, slave=10)
+    mock_modbus.write_coil.assert_called_with(11, value=1, device_id=10)
 
     await hass.services.async_call(
         CLIMATE_DOMAIN,
@@ -516,7 +516,7 @@ async def test_hvac_onoff_coil(hass: HomeAssistant, mock_modbus) -> None:
     )
     await hass.async_block_till_done()
 
-    mock_modbus.write_coil.assert_called_with(11, value=0, slave=10)
+    mock_modbus.write_coil.assert_called_with(11, value=0, device_id=10)
 
 
 @pytest.mark.parametrize(
diff --git a/tests/components/modbus/test_init.py b/tests/components/modbus/test_init.py
index 4c0a8bd8f6e..be92e12c700 100644
--- a/tests/components/modbus/test_init.py
+++ b/tests/components/modbus/test_init.py
@@ -63,6 +63,7 @@ from homeassistant.components.modbus.const import (
     CONF_SWING_MODE_VALUES,
     CONF_VIRTUAL_COUNT,
     DEFAULT_SCAN_INTERVAL,
+    DEVICE_ID,
     MODBUS_DOMAIN as DOMAIN,
     RTUOVERTCP,
     SERIAL,
@@ -867,7 +868,7 @@ async def test_pb_service_write(
     assert func_name[do_write[FUNC]].called
     assert func_name[do_write[FUNC]].call_args.args == (data[ATTR_ADDRESS],)
     assert func_name[do_write[FUNC]].call_args.kwargs == {
-        "slave": 17,
+        DEVICE_ID: 17,
         value_arg_name[do_write[FUNC]]: data[do_write[DATA]],
     }
 
@@ -1326,7 +1327,7 @@ async def test_check_default_slave(
     """Test default slave."""
     assert mock_modbus.read_holding_registers.mock_calls
     first_call = mock_modbus.read_holding_registers.mock_calls[0]
-    assert first_call.kwargs["slave"] == expected_slave_value
+    assert first_call.kwargs[DEVICE_ID] == expected_slave_value
 
 
 @pytest.mark.parametrize(
@@ -1407,7 +1408,7 @@ async def test_pb_service_write_no_slave(
     assert func_name[do_write[FUNC]].called
     assert func_name[do_write[FUNC]].call_args.args == (data[ATTR_ADDRESS],)
     assert func_name[do_write[FUNC]].call_args.kwargs == {
-        "slave": 1,
+        DEVICE_ID: 1,
         value_arg_name[do_write[FUNC]]: data[do_write[DATA]],
     }