diff --git a/esphome/components/modbus_controller/modbus_controller.cpp b/esphome/components/modbus_controller/modbus_controller.cpp
index 641ba68223..3f487abc94 100644
--- a/esphome/components/modbus_controller/modbus_controller.cpp
+++ b/esphome/components/modbus_controller/modbus_controller.cpp
@@ -152,9 +152,9 @@ void ModbusController::on_modbus_read_registers(uint8_t function_code, uint16_t
 }
 
 SensorSet ModbusController::find_sensors_(ModbusRegisterType register_type, uint16_t start_address) const {
-  auto reg_it = find_if(begin(this->register_ranges_), end(this->register_ranges_), [=](RegisterRange const &r) {
-    return (r.start_address == start_address && r.register_type == register_type);
-  });
+  auto reg_it = std::find_if(
+      std::begin(this->register_ranges_), std::end(this->register_ranges_),
+      [=](RegisterRange const &r) { return (r.start_address == start_address && r.register_type == register_type); });
 
   if (reg_it == this->register_ranges_.end()) {
     ESP_LOGE(TAG, "No matching range for sensor found - start_address : 0x%X", start_address);
@@ -375,12 +375,12 @@ void ModbusController::loop() {
   if (!this->incoming_queue_.empty()) {
     auto &message = this->incoming_queue_.front();
     if (message != nullptr)
-      process_modbus_data_(message.get());
+      this->process_modbus_data_(message.get());
     this->incoming_queue_.pop();
 
   } else {
     // all messages processed send pending commands
-    send_next_command_();
+    this->send_next_command_();
   }
 }
 
diff --git a/esphome/components/modbus_controller/switch/modbus_switch.cpp b/esphome/components/modbus_controller/switch/modbus_switch.cpp
index ec29eca7f8..b729e2659f 100644
--- a/esphome/components/modbus_controller/switch/modbus_switch.cpp
+++ b/esphome/components/modbus_controller/switch/modbus_switch.cpp
@@ -97,7 +97,7 @@ void ModbusSwitch::write_state(bool state) {
     }
   }
   this->parent_->queue_command(cmd);
-  publish_state(state);
+  this->publish_state(state);
 }
 // ModbusSwitch end
 }  // namespace modbus_controller