[Bug] Lightning Lance casting VFX appears on the off hand after blocking with a shield.

[Sazuzaki]

Observed behaviour

The VFX when casting lightning lance appears on the off hand after blocking with a shield.

Expected behaviour

The VFX when casting lightning lance to be on my main hand rather than the off-hand.

Steps to reproduce

1. Block with a shield
2. Cast Lightning Lance
3. Observe

Server Type

Single Player

Crashlog

No response

Iron's Spells N Spellbooks version

1.20.1-3.40

Forge version

47.2.20

Other mods

None

Here's some screenshots:
Before blocking with a shield:

After blocking with a shield: