[309] Windows - warning - multiple modules with names that only differ in casing

I am not sure if this is nuxt error or not. But executing nuxt gives me a warning about casing. Once there is "C:\", once "c:\"

WARNING in C:/Users/artur/AppData/Roaming/npm/~/nuxt/~/process/browser.js
There are multiple modules with names that only differ in casing.
This can lead to unexpected behavior when compiling on a filesystem with other case-semantic.
Use equal casing. Compare these module identifiers:
* C:\Users\artur\AppData\Roaming\npm\node_modules\nuxt\node_modules\process\browser.js
    Used by 1 module(s), i. e.
    C:\Users\artur\AppData\Roaming\npm\node_modules\nuxt\node_modules\regenerator-runtime\runtime.js
* c:\Users\artur\AppData\Roaming\npm\node_modules\nuxt\node_modules\process\browser.js
    Used by 1 module(s), i. e.
    c:\dev\spa\node_modules\axios\lib\defaults.js

Thanks for clarification,