Google’s Gmail service on Monday was affected by a software bug that deleted copies of some users email data. The good news is that they are getting the information back.

[ad#Google Adsense 300×250 in story]According to the company’s official Gmail Blog, 0.02 percent of Gmail users were affected by the bug. Google said it has already restored access for many users affected by yesterday’s bug.

“Though it may take longer than we originally expected, we’re making good progress and things should be back to normal for everyone soon,” wrote Google’s Ben Treynor, VP Engineering and Site Reliability Czar, in the blog post.

The bug was able to delete some emails even though Google has multiple data centers. Google said this can happen in “some rare instances.”

Google said the bug happened after the company began deploying a software update. Once they realized the problem, the stopped the update and reverted to the old version.

Everything should be back to normal soon, according to Google.