When I hold a shovel in my hand the pick axe texture shows up, this alternatively works with other combinations of tools as well.

Put the summary of the bug you're having here

What I expected to happen was...: Have the shovel texture.
Describe what you thought should happen here

What actually happened was...: the pick axe texture came up.
Describe what happened
1. ... *have tools in your hotbar and switch in between them.
2. ...
3. ...