Automatically operable inner door of a building or front door, comprising a door drive constructed as a rotary door drive for driving the inner door of the building or the front door, wherein the inner door of the building or the front door is constructed as a swing-leaf door having at least one swing leaf that can be swung about a vertical axis defined by hinges, wherein the door drive comprises: a driving device for producing driving power and for transmitting the driving power to the swing leaf of the inner door of the building or the front door, and a door drive control device for controlling the driving device, wherein the door drive control device comprises an associated early warning system configured for delivering an acoustical and/or optical and/or tactile early warning signal for persons present in the vicinity of the driven inner door of the building or front door within a predetermined early warning time period prior to the operation of the driving device for producing and transmitting the driving power, characterized in that said early warning system is programmable or adjustable at least for programming and/or setting the predetermined early warning time period, wherein the early warning system can be additionally programmed or adjusted in such a manner that the early warning signal is programmable or settable regarding at least one of the following options: • selecting whether early warning takes place acoustically, optically, by vibration or by a combination of an acoustical signal, optical signal and/or vibration signal, • selecting or setting an intensity of the early warning signal, • selecting or setting a signal sequence as an early warning signal, • selecting or setting a blinking sequence as an optical early warning signal, • selecting or setting a sound sequence as an acoustical early warning signal, • selecting or setting a sound frequency or sound frequencies of an acoustical early warning signal, • selecting a color or colors of an optical early warning signal and/or • selecting or setting a vibration frequency or a vibration signal sequence as a vibrational early warning signal. a driving device for producing driving power and for transmitting the driving power to the swing leaf of the inner door of the building or the front door, and a door drive control device for controlling the driving device, wherein the door drive control device comprises an associated early warning system configured for delivering an acoustical and/or optical and/or tactile early warning signal for persons present in the vicinity of the driven inner door of the building or front door within a predetermined early warning time period prior to the operation of the driving device for producing and transmitting the driving power, • selecting whether early warning takes place acoustically, optically, by vibration or by a combination of an acoustical signal, optical signal and/or vibration signal, • selecting or setting an intensity of the early warning signal, • selecting or setting a signal sequence as an early warning signal, • selecting or setting a blinking sequence as an optical early warning signal, • selecting or setting a sound sequence as an acoustical early warning signal, • selecting or setting a sound frequency or sound frequencies of an acoustical early warning signal, • selecting a color or colors of an optical early warning signal and/or • selecting or setting a vibration frequency or a vibration signal sequence as a vibrational early warning signal.