An aerosol-generating device comprising: an inductive heating arrangement configured to heat an aerosol-forming substrate, the inductive heating arrangement comprising: a susceptor arrangement that is heatable by penetration with a varying magnetic field to heat the aerosol-forming substrate, a first LC circuit, the first LC circuit at least comprising a first inductor coil and a first capacitor, wherein the first LC circuit has a resonance frequency, and a second LC circuit, the second LC circuit at least comprising a second inductor coil and a second capacitor, wherein the second LC circuit has the same resonance frequency as the first LC circuit, and a controller, wherein the controller is configured to drive the first LC circuit with a first AC current for generating a first alternating magnetic field for heating a first portion of the susceptor arrangement, wherein the controller is configured to drive the second LC circuit with a second AC current for generating a second alternating magnetic field for heating a second portion of the susceptor arrangement, wherein the controller is configured to supply the first AC current with a frequency corresponding to the resonance frequency of the LC circuits (510, 520) and to supply the second AC current with a frequency different from the resonance frequency, wherein the controller is configured to supply the first AC current to the first LC circuit during a first phase to increase the temperature of the first portion of the susceptor arrangement from an initial temperature to a first operating temperature, and wherein the controller is configured to supply the first AC current with a frequency corresponding to the resonance frequency of the LC circuits (510, 520) during the first phase. an inductive heating arrangement configured to heat an aerosol-forming substrate, the inductive heating arrangement comprising: a susceptor arrangement that is heatable by penetration with a varying magnetic field to heat the aerosol-forming substrate, a first LC circuit, the first LC circuit at least comprising a first inductor coil and a first capacitor, wherein the first LC circuit has a resonance frequency, and a second LC circuit, the second LC circuit at least comprising a second inductor coil and a second capacitor, wherein the second LC circuit has the same resonance frequency as the first LC circuit, and a susceptor arrangement that is heatable by penetration with a varying magnetic field to heat the aerosol-forming substrate, a first LC circuit, the first LC circuit at least comprising a first inductor coil and a first capacitor, wherein the first LC circuit has a resonance frequency, and a second LC circuit, the second LC circuit at least comprising a second inductor coil and a second capacitor, wherein the second LC circuit has the same resonance frequency as the first LC circuit, and a controller, wherein the controller is configured to drive the first LC circuit with a first AC current for generating a first alternating magnetic field for heating a first portion of the susceptor arrangement, wherein the controller is configured to drive the second LC circuit with a second AC current for generating a second alternating magnetic field for heating a second portion of the susceptor arrangement, wherein the controller is configured to supply the first AC current with a frequency corresponding to the resonance frequency of the LC circuits (510, 520) and to supply the second AC current with a frequency different from the resonance frequency, wherein the controller is configured to supply the first AC current to the first LC circuit during a first phase to increase the temperature of the first portion of the susceptor arrangement from an initial temperature to a first operating temperature, and wherein the controller is configured to supply the first AC current with a frequency corresponding to the resonance frequency of the LC circuits (510, 520) during the first phase.