Oscars envelope flub 1 year later: Why it won't happen again

The Academy Awards isn't looking to repeat its mistakes. 

The 2017 Oscars made history and headlines when presenters Warren Beatty and Faye Dunaway announced that La La Land had won Best Picture, with the film's entire team making their way to the stage and even giving acceptance speeches before it was discovered that Moonlightwas the real winner. 

Much was made of the unprecedented mix-up, which was revealed to have been caused by auditors at PriceWaterhouseCoopers (PwC), who handed Beatty and Dunaway the Best Actress winner's card instead of Best Picture -- but it won't happen again. 

"The biggest safeguard there is that this company PricewaterhouseCoopers will literally have to go out of business if they do it a second time," Oscars host Jimmy Kimmel cracked on a recent appearance on Good Morning America. "So I think they'll have to be very, very careful."

See photos from the moment:

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Warren Beatty and Faye Dunaway's 2017 Oscars flub
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Warren Beatty and Faye Dunaway's 2017 Oscars flub
THE OSCARS(r) - The 89th Oscars(r) broadcasts live on Oscar(r) SUNDAY, FEBRUARY 26, 2017, on the ABC Television Network. (Eddy Chen/ABC via Getty Images) FAYE DUNAWAY, WARREN BEATTY
HOLLYWOOD, CA - FEBRUARY 26: ''La La Land' producers Fred Berger, Jordan Horowitz and Marc Platt accept the Best Picture award due to a presentation error (the award was later given to 'Moonlight') from actors Faye Dunaway and Warren Beatty onstage during the 89th Annual Academy Awards at Hollywood & Highland Center on February 26, 2017 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
Actress Faye Dunaway and actor Warren Beatty arrive on stage to announce the winner of the Best Movie category at the 89th Oscars on February 26, 2017 in Hollywood, California. / AFP / Mark RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)
HOLLYWOOD, CA - FEBRUARY 26: Actors Faye Dunaway (L) and Warren Beatty speak onstage during the 89th Annual Academy Awards at Hollywood & Highland Center on February 26, 2017 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
THE OSCARS(r) - The 89th Oscars(r) broadcasts live on Oscar(r) SUNDAY, FEBRUARY 26, 2017, on the ABC Television Network. (Patrick Wymore/ABC via Getty Images) FAYE DUNAWAY, WARREN BEATTY
HOLLYWOOD, CA - FEBRUARY 26: ''La La Land' producers Fred Berger, Jordan Horowitz and Marc Platt accept the Best Picture award due to a presentation error (the award was later given to 'Moonlight') from actors Faye Dunaway and Warren Beatty onstage during the 89th Annual Academy Awards at Hollywood & Highland Center on February 26, 2017 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
HOLLYWOOD, CA - FEBRUARY 26: Actors Faye Dunaway (L) and Warren Beatty speak onstage during the 89th Annual Academy Awards at Hollywood & Highland Center on February 26, 2017 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
Actress Faye Dunaway and actor Warren Beatty arrive on stage to announce the winner of the Best Movie category at the 89th Oscars on February 26, 2017 in Hollywood, California. / AFP / Mark RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)
HOLLYWOOD, CA - FEBRUARY 26: Actors Faye Dunaway (L) and Warren Beatty speak onstage during the 89th Annual Academy Awards at Hollywood & Highland Center on February 26, 2017 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
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Yes, the accounting firm is back on the job for the 2018 Oscars, but they really do have a plan to avoid any snafus. After a long meeting with the Academy, the Associated Press reports that PwC has made five big changes to the protocol on Oscar Sunday. Here's what's happening: 

1. Immediately instituted after last year's flub,  PwC partners are prohibited from using cell phones or social media during the show. The change was implemented after fans noticed that just before the mix-up, auditor Brian Cullinan had tweeted a photo of Best Actress winner Emma Stone. 

2. Neither of the PwC auditors, Cullinan or Martha Ruiz, will be returning for the awards show. Though Cullinan and Ruiz still work for PwC, they will be replaced at the 90th Academy Awards by Rick Rosas and Kimberly Bourdon. 

3. A third balloting partner will sit with Oscar producers in the show's control room, and will have a complete set of winners' envelopes and commit the winners to memory. 

4. When envelopes are handed over, both the presenter and stage manager will confirm that they've been given the right envelope for the category they're about to announce. 

5. All three balloting partners will be present at rehearsals for the awards show, and practice what to do if something goes wrong. 

While the Academy is taking this year's Oscars seriously, one year later, they've got a sense of humor about the flub -- or at least Kimmel does. The 50-year-old comedian joked about the blunder in a hilarious promo for the show, which even featured a cameo appearance by Beatty. See more on the Oscars in the video below. 

The 90th Academy Awards airs on Sunday, March 4, at 8 p.m. on ABC.

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Oscars 1998 red carpet
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Oscars 1998 red carpet

Matt Dillon and Cameron Diaz

PHOTO: Evan Agostini/ImageDirect

Alec Baldwin and Kim Basinger

PHOTO: Evan Agostini/ImageDirect

Jennifer Lopez

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Arnold Schwarzenegger and Maria Shriver

PHOTO: Evan Agostini/ImageDirect

Raquel Welch
(Photo by Ron Galella/WireImage)
Celine Dion and husband Rene Angelil
(Photo by KMazur/WireImage)

Ben Affleck and Matt Damon

PHOTO: Evan Agostini/ImageDirect

Frances McDormand

(Photo by Steve Granitz/WireImage)

Melanie Griffith and Antonio Banderas

PHOTO: Evan Agostini/ImageDirect

Tyra Banks

(Photo credit should read Vince Bucci/AFP/Getty Images)

Halle Berry

(Photo by Kevin Mazur/WireImage)

Drew Barrymore

(Photo by Kevin Mazur/WireImage)

Cher

(Photo by Steve Granitz/WireImage)

Helen Hunt and Hank Azaria 

PHOTO: Evan Agostini/ImageDirect

Linda Hamilton

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Helena Bonham Carter

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Lisa Rinna and Harry Hamlin

PHOTO: Evan Agostini/ImageDirect

Neve Campbell

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Celine Dion

PHOTO: Evan Agostini/Getty Images

Cher and son Elijah Blue

PHOTO: Evan Agostini/ImageDirect

Madonna and Fiona Apple

PHOTO: Evan Agostini/ImageDirect

Sharon Stone and husband Phil Bronstein

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Mira Sorvino

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Shirley Jones

(Photo by Mirek Towski/DMI/The LIFE Picture Collection/Getty Images)

Minnie Driver

(Photo by Mirek Towski/DMI/The LIFE Picture Collection/Getty Images)

John Leguizamo and wife Justine

(Photo by Mirek Towski/DMI/The LIFE Picture Collection/Getty Images)

Kate Winslet

(Photo by Steve Granitz/WireImage)

Shelley Winters

(Photo by Steve Granitz/WireImage)

Julie Moran

(Photo by Mirek Towski/DMI/The LIFE Picture Collection/Getty Images)

Sally Kellerman

(Photo credit should read VINCE BUCCI/AFP/Getty Images)

Chris Affleck, Ben Affleck, Matt Damon and mother Nancy Carlson-Paige

(Photo by Jim Smeal/WireImage)

Elisabeth Shue

(Photo by Steve Granitz/WireImage)

Helena Christensen

(Photo by SGranitz/WireImage)

Shirley Temple

(Photo by SGranitz/WireImage)

Trisha Yearwood

(Photo by SGranitz/WireImage)

Faye Dunaway

(Photo by SGranitz/WireImage)

Joan Cusack

(Photo by SGranitz/WireImage)

Nancy O'Dell

(Photo by Ron Galella/WireImage)

Ellen Burstyn

(Photo by Ron Galella, Ltd./WireImage)

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