Workstation (9, 15, 16, 17) for a film-processing packaging machine, where said workstation (9, 15, 16, 17) is configured in particular as a forming station, as a preheating station, as a labeling station, as a labeling printing station, or as a sealing station for processing a packaging film (5, 22), where said workstation (9, 15, 16, 17) defines a film transport plane in which said packaging film (5, 22) can be transported, and where said workstation (9, 15, 16, 17) comprises an electrically operable heating assembly, characterized in that said heating assembly comprises an electrically conductive planar resistance heating element which in each of two directions spanning a plane (E`) parallel to said film transport plane has dimensions (L1, L2) that are greater by a factor of at least 100 than a dimension (d) in a direction perpendicular to said film transport plane, where said resistance heating element is arranged between a heating plate and a clamping plate, wherein electrically insulating insulators are arranged between said resistance heating element and said heating plate and between said resistance heating element and said clamping plate, respectively, wherein said resistance heating element comprises an electrical flat conductor having a meandering profile arranged in a plane (E`), characterized in that a connecting bracket of larger thickness than the flat conductor is welded to one end area of the electrical flat conductor and electrically connected with the flat conductor, wherein the connecting bracket in its portion adjacent the flat conductor is surrounded by an electrically isolating, temperature resistant bushing, and wherein the heating assembly comprises a connecting bushing which is electrically insulating, heat resistant up to temperature of a least 250 degrees Celsius, placed on the clamping plate and screwed to the clamping plate and projecting into the bushing. characterized in that said heating assembly comprises an electrically conductive planar resistance heating element which in each of two directions spanning a plane (E`) parallel to said film transport plane has dimensions (L1, L2) that are greater by a factor of at least 100 than a dimension (d) in a direction perpendicular to said film transport plane, where said resistance heating element is arranged between a heating plate and a clamping plate, wherein electrically insulating insulators are arranged between said resistance heating element and said heating plate and between said resistance heating element and said clamping plate, respectively, wherein said resistance heating element comprises an electrical flat conductor having a meandering profile arranged in a plane (E`), characterized in that a connecting bracket of larger thickness than the flat conductor is welded to one end area of the electrical flat conductor and electrically connected with the flat conductor, wherein the connecting bracket in its portion adjacent the flat conductor is surrounded by an electrically isolating, temperature resistant bushing, and wherein the heating assembly comprises a connecting bushing which is electrically insulating, heat resistant up to temperature of a least 250 degrees Celsius, placed on the clamping plate and screwed to the clamping plate and projecting into the bushing.