Endnote output is different in text than what is specified in output style


I am expereincing problem regarding intext citation. Many authors are cited in text, but i want only one author and et al for following authors than first author. I have generated a new output style and the selection is clear but i repeatedly get the same problem. Please notice the intext citations in the picture below. Its so random. Somewhere it is one author followed by et.al. and somewhere it is 3 authors and then et al.