I have been prescribed Lisinopril by a military doctor(I am retir...

I have been prescribed Lisinopril by a military doctor(I am retired Army), I am not having any major side effects except many some lack of energy, my real concern is erectile disfunction, I read nothing in these posts of that concern, my blood pressure is under control , I sleep well, not overweight, play tennis two and three times a week, has any male had similar side effects?, I am 61 years old, active, work eight hours a day and mostly feel great except for the erection issues, any comments?