Bernie Sanders supporters targeted U.S. Sen. Michael Bennet during today’s Colorado Democratic Party state convention.

As a Democratic superdelegate supporting former Secretary of State Hillary Clinton, Bennet has made enemies with the rowdy Sanders supporters who argue he should shift his vote to conform to the majority of Colorado Democrats who felt the Bern on Super Tuesday.

Shouts of “Change your vote!” echoed throughout the main hall of the Budweiser Event Center as Bennet stumbled through his acceptance speech trying to tell fellow Dems he would seek a second term. But stomping feet, jeering and boos drowned him out.

Several times, he paused, pleading with Sanders’ furious delegates to allow him to finish.

They continued to slam him.

Once Democratic Party Chair Rick Palacio closed the nomination and asked delegates to pick Bennet after no other candidates surfaced, the “ayes” were muted by a chorus of “boos” from Sanders’ base.