Bernie Sanders supporters booed and chanted throughout the opening day of the Democratic National Convention — but many Twitter users noticed something about those noisy interruptions.

Seems like Bernie bros mostly chant over black and female speakers#BernieSanders #BernieBros #bernieorbust #DNCinPHL #DemsInPhilly

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— .mauricio. (@retromaury) July 26, 2016

Am I imagining it or is there more booing and heckling when black speakers are on stage? #DemsInPhilly

— Sean Ehrlich (@SeanDEhrlich) July 26, 2016

Bern bros chanting "we trusted you." Why is it they seem to mostly chant over black & female speakers #DemsInPhilly

— Go for Laurie (@LaurieFromMiami) July 26, 2016

So the Bernie folks are shouting over and disrespecting black speakers, women speakers … to what purpose? #DNCinPHL

— Timothy Longman (@Timlongman) July 26, 2016

A bunch privileged white lefties shouting down black and female speakers for their (ideological) impurity: bad optics, but perfect metaphor

— Bryan Kessler (@kesslerbs) July 26, 2016

Pay attention to who they picked to open up the convention. BernieBros are playing themselves by booing black, Hispanic and gay speakers.

— I, Hoebot. (@eclecticbrotha) July 25, 2016

This whole "screaming over black speakers" thing is not a good look.

— Jamelle Bouie (@jbouie) July 25, 2016

Funny, this is not the convention I expected to see old white people screaming over black speakers, complaining about being marginalized.

— (((Yair Rosenberg))) (@Yair_Rosenberg) July 25, 2016

When a black man, who is a civil rights hero, is talking about civil rights, maybe shut the fuck up for five minutes about the TPP.

— Wil Wheaton (@wilw) July 25, 2016

Uh, white ppl turning their backs on Black speakers talking about racism and voting rights is disrespectful as fuck https://t.co/zbq8lipcb2

— Elena Gormley (@nihilist_toast) July 26, 2016

@sansdn like this is my blackness speaking but a bunch of privileged white kids booing black speakers isn't racist as fuck what is

— Uckema – Otakon Prep (@Uckema) July 26, 2016

@abbiewastaken some whiny suck babies chanted over women & black speakers in particular, sometimes before they even spoke

— Go for Laurie (@LaurieFromMiami) July 26, 2016

Dollars to donuts same Sanders diehards chanting over women, black, and hispanic speakers are baffled why Sanders didn't get those votes…

— Lincoln Michel (@TheLincoln) July 26, 2016

@JessicaValenti I was expecting this as the Busters were shouting loudest at Black speakers earlier :O

— Rocío (@neogaia) July 26, 2016

People at the #DNCinPHL are chanting #BlackLivesMatter but apparently they don't think black speakers matter all that much.

— Rick Herrick (@spankyq) July 26, 2016

Berners booing black speakers provides a portrait of why the campaign did so poorly with POC. It's not coincidental folks.

— Black Subgroup™ (@AfricanPrincess) July 26, 2016

Can we just not chant when black speakers are speaking? Can we just not? #DemsInPhilly

— Brinda Estrella (@BrindaStar) July 26, 2016

Pretty tired of trying to hear black & brown speakers thru the tantrums of intransigent neophytes. Pretty fucking tired. #DemsInPhilly

— Julian Pamplin (@sixxis311) July 26, 2016