You will have to wait until 5.2 (at least) but this is fixed in an upcoming update: Unreal Engine Issues and Bug Tracker (UE-166674)
Alternatively you could just build the engine from source.
You will have to wait until 5.2 (at least) but this is fixed in an upcoming update: Unreal Engine Issues and Bug Tracker (UE-166674)
Alternatively you could just build the engine from source.