diff --git a/software/web/src/modules/meters_modbus_tcp/plugin_meters_config.tsx b/software/web/src/modules/meters_modbus_tcp/plugin_meters_config.tsx
index 7e0e9378e..03f18d1c2 100644
--- a/software/web/src/modules/meters_modbus_tcp/plugin_meters_config.tsx
+++ b/software/web/src/modules/meters_modbus_tcp/plugin_meters_config.tsx
@@ -148,7 +148,6 @@ function new_table_config(table: MeterModbusTCPTableID): TableConfig {
 }
 
 interface RegisterEditorProps {
-    min_address: number;
     table: TableConfigCustom;
     on_table: (table: TableConfigCustom) => void;
 }
@@ -164,7 +163,7 @@ class RegisterTable extends Component<RegisterEditorProps, RegisterEditorState>
         this.state = {
             register: {
                 register_type: null,
-                start_address: props.min_address,
+                start_address: props.table[1].register_address_mode == ModbusRegisterAddressMode.Address ? 0 : 1,
                 value_type: null,
                 offset: 0.0,
                 scale_factor: 1.0,
@@ -188,11 +187,21 @@ class RegisterTable extends Component<RegisterEditorProps, RegisterEditorState>
                         this.setState({register: {...this.state.register, register_type: parseInt(v)}});
                     }} />
             </FormRow>,
-            <FormRow label={__("meters_modbus_tcp.content.registers_start_address")}>
+            <FormRow
+                label={
+                    this.props.table[1].register_address_mode == ModbusRegisterAddressMode.Address
+                    ? __("meters_modbus_tcp.content.registers_start_address")
+                    : __("meters_modbus_tcp.content.registers_start_number")
+                }
+                label_muted={
+                    this.props.table[1].register_address_mode == ModbusRegisterAddressMode.Address
+                    ? __("meters_modbus_tcp.content.registers_start_address_muted")
+                    : __("meters_modbus_tcp.content.registers_start_number_muted")
+                }>
                 <InputNumber
                     required
-                    min={this.props.min_address}
-                    max={this.props.min_address + 65535}
+                    min={this.props.table[1].register_address_mode == ModbusRegisterAddressMode.Address ? 0 : 1}
+                    max={(this.props.table[1].register_address_mode == ModbusRegisterAddressMode.Address ? 0 : 1) + 65535}
                     value={this.state.register.start_address}
                     onValue={(v) => {
                         this.setState({register: {...this.state.register, start_address: v}});
@@ -270,14 +279,18 @@ class RegisterTable extends Component<RegisterEditorProps, RegisterEditorState>
                 return row
             })}
             columnNames={[""]}
-            addEnabled={this.props.table[1].registers.length < MAX_CUSTOM_REGISTERS}
-            addMessage={__("meters_modbus_tcp.content.registers_add_count")(this.props.table[1].registers.length, MAX_CUSTOM_REGISTERS)}
+            addEnabled={util.hasValue(this.props.table[1].register_address_mode) && this.props.table[1].registers.length < MAX_CUSTOM_REGISTERS}
+            addMessage={
+                util.hasValue(this.props.table[1].register_address_mode)
+                    ? __("meters_modbus_tcp.content.registers_add_count")(this.props.table[1].registers.length, MAX_CUSTOM_REGISTERS)
+                    : __("meters_modbus_tcp.content.registers_add_select_address_mode")
+            }
             addTitle={__("meters_modbus_tcp.content.registers_add_title")}
             onAddShow={async () => {
                 this.setState({
                     register: {
                         register_type: null,
-                        start_address: this.props.min_address,
+                        start_address: this.props.table[1].register_address_mode == ModbusRegisterAddressMode.Address ? 0 : 1,
                         value_type: null,
                         offset: 0.0,
                         scale_factor: 1.0,
@@ -451,7 +464,6 @@ export function init() {
                         </FormRow>,
                         <FormRow label={__("meters_modbus_tcp.content.registers")}>
                             <RegisterTable
-                                min_address={config[1].table[1].register_address_mode == ModbusRegisterAddressMode.Number ? 1 : 0}
                                 table={config[1].table}
                                 on_table={(table: TableConfigCustom) => on_config(util.get_updated_union(config, {table: table}))} />
                         </FormRow>
diff --git a/software/web/src/modules/meters_modbus_tcp/translation_de.tsx b/software/web/src/modules/meters_modbus_tcp/translation_de.tsx
index e0ece768f..f12403d9a 100644
--- a/software/web/src/modules/meters_modbus_tcp/translation_de.tsx
+++ b/software/web/src/modules/meters_modbus_tcp/translation_de.tsx
@@ -39,6 +39,7 @@ let x = {
             "registers": "Register",
             "registers_add_title": "Register hinzufügen",
             "registers_add_count": /*SFN*/(x: number, max: number) => x + " von " + max + " Registern konfiguriert"/*NF*/,
+            "registers_add_select_address_mode": "Zuerst Adressmodus auswählen...",
             "registers_edit_title": "Register bearbeiten",
             "registers_register": /*SFN*/(start_address: number, value_id_name: string) => start_address + " als " + value_id_name/*NF*/,
             "registers_register_type": "Registertyp",
@@ -46,6 +47,9 @@ let x = {
             "registers_register_type_holding_register": "Holding-Register",
             "registers_register_type_input_register": "Input-Register",
             "registers_start_address": "Startadresse",
+            "registers_start_address_muted": "beginnt bei 0",
+            "registers_start_number": "Startnummer",
+            "registers_start_number_muted": "beginnt bei 1",
             "registers_value_type": "Werttyp",
             "registers_value_type_select": "Auswählen...",
             "registers_value_type_u16": "Ein Register, 16-Bit, Ganzzahl, vorzeichenlos",
diff --git a/software/web/src/modules/meters_modbus_tcp/translation_en.tsx b/software/web/src/modules/meters_modbus_tcp/translation_en.tsx
index 6b3ba42ec..743ba429f 100644
--- a/software/web/src/modules/meters_modbus_tcp/translation_en.tsx
+++ b/software/web/src/modules/meters_modbus_tcp/translation_en.tsx
@@ -34,11 +34,12 @@ let x = {
             "device_address_muted": /*SFN*/(port: number) => "typically " + port/*NF*/,
             "register_address_mode": "Address mode",
             "register_address_mode_select": "Select...",
-            "register_address_mode_address": "Register address (starts at 0)",
-            "register_address_mode_number": "Register number (starts at 1)",
+            "register_address_mode_address": "Register address (begins at 0)",
+            "register_address_mode_number": "Register number (begins at 1)",
             "registers": "Registers",
             "registers_add_title": "Add register",
             "registers_add_count": /*SFN*/(x: number, max: number) => x + " of " + max + " registers configured"/*NF*/,
+            "registers_add_select_address_mode": "Select address mode first...",
             "registers_edit_title": "Edit register",
             "registers_register": /*SFN*/(start_address: number, value_id_name: string) => start_address + " as " + value_id_name/*NF*/,
             "registers_register_type": "Register type",
@@ -46,6 +47,9 @@ let x = {
             "registers_register_type_holding_register": "Holding register",
             "registers_register_type_input_register": "Input register",
             "registers_start_address": "Start address",
+            "registers_start_address_muted": "begins at 0",
+            "registers_start_number": "Start number",
+            "registers_start_number_muted": "begins at 1",
             "registers_value_type": "Value type",
             "registers_value_type_select": "Select...",
             "registers_value_type_u16": "One register, 16-bit, integer, unsigned",