In the case of motionless ambient air, the quickly moving surface involves in the movement the gas adjoining to a surface. This gas-dynamic wall effect can influence both the shape of plasma jet interacting with the moving substrate and the efficiency of plasma modification of the surface to be treated. The issue mentioned above has been studied by an example of the DBD plasma jet striking into the static and fast moving dielectric and metallic substrate. The discs of acrylic plastic and aluminum were used as the static and quickly rotating substrates. The experiments were performed with He and Ar plasma jets generated by sinusoidal DBD operating at atmospheric pressure. It is proved that the change of the shape of plasma jet at the place of its striking into a moving dielectric and metal substrate happens due to the dragging of air by the fast moving surface.