shortcode, cant have same plugin twice on a page

I have written a plugin for wordpress that uses shortcode.

I am then using this on a page like so

[fetch-reviews id=”1″]

and it displays beautifully, I can also change id to “2” and get the correct display there (different users).

however when I add both like so (on the same page)

[fetch-reviews id=”1″]
[fetch-reviews id=”2″]

It displays nothing at all.

If I add both of them like this instead

[fetch-reviews id=”1″][/fetch-reviews]
[fetch-reviews id=”2″][/fetch-reviews]

the first one is displayed, but the second one is not displayed at all.
What am I doing wrong?
So in the above example the one for user 1 is printed. If I swap them around like so

[fetch-reviews id=”2″][/fetch-reviews]
[fetch-reviews id=”1″][/fetch-reviews]

the reviews for user two is printed but nothing for user 1.