I'm pretty sure that it will.
In 1998 we were looking for a holster for my wife's Browning BDA and found the Bianchi 19L. That holster fit that pistol fine as well as the whole series of Beretta pistols of the same size/frame as well as several other models (the Beretta .380 ACP, 84 / 84F, 3.75" Barrel, Beretta .380 ACP 84BB with 3.82" Barrel, Beretta .380 ACP, 85 / 85F, 4" Barrel, Bersa .380 ACP, Thunder 380 Conceal Carry, 3.25" Barrel, Bersa .380 ACP, Thunder 380 / Thunder 380 Super, 3.5" Barrel, Browning BDA 380, 3.8" Barrel).
Still have that holster. It's this one ...
http://www.amazon.com/gp/aw/d/B0051FDSJO/ref=cm_cr_arp_mb_bdcrb_top?ie=UTF8
The Beretta Model 02 OEM holster also states that it fits a wide array of Beretta pistols.
http://estore.beretta.com/en-eu/beretta-leather-holster-model-02-demi-right-hand-80-series/
Concealed carry holster in premium leather with a flat rear profile that has a snug fit against the body for excellent wearability and excellent concealment of the weapon. Fits pistols 80 Series: 81B - 81BB - 81F - 81FS - 84B - 84BB - 84F - 84FS - 85B - 85BB - 85F - 85FS. Right Hand.
Leather is a bit more forgiving then kydex, but there isn't much variation between these pistols in their size so my gut instinct tells me that it would probably work fine.
Might want to call or email Alien Gear customer service, explain the issue and make sure that you have the option of returning it just in case it actually turns out not to work with your pistol and then order it. If you can return it there's not much downside to trying it out. :Shrug
Good luck.