When you try to move up into blocks from underwater caves in spectator mode, you sometimes simply can't for some reason.

Steps to Reproduce
1. Switch to spectator mode.
2, Find an underwater cave.
3. Move up into blocks on the cave ceiling to no clip.

Observed Result
The spectators are stuck and unable to no clip and goes through blocks upwards.

Expected Result
The spectators should no clip normally when moving upwards leaving the underwater cave.