Endurance charge on melee stun not working.

just confirmed that I am an idiot and I had 2 leap slams socketed and the one on my skill bar was the regular one not linked with "Endurance charge on melee stun". I changed it and it is now working as expected.

I am using Leap slam of ground breaking and endurance charge on melee stun. I used this all last league and it worked. It does not seem to work with the current patch.

I tried

Two different maps both I visibly saw that I stunned the group above their heads.

One map without a mercenary
One map with a mercenary

My character can still get charges from enduring cry.