Sen. Barbara BoxerBarbara BoxerFeinstein to hold campaign fundraisers, a hint she'll run again Becerra formally nominated for Calif. attorney general 10 freshmen to watch in the new Congress MORE (D-Calif.) the bill’s chief co-sponsor, argued along with Sen. Chuck GrassleyChuck GrassleyGOP senator: Trump budget chief could face confirmation 'problems' Jeff Sessions will protect life Justice, FBI to be investigated over Clinton probes MORE (R-Iowa) on Thursday that it is inappropriate for an employee serving the executive branch to make more than the commander in chief.

“Taxpayers should not be on the hook for exorbitant government contractor salaries, Boxer said.

Grassley also spun it as a “good government amendment.

“We can’t afford to waste increasingly limited defense dollars, he said. “This amendment goes after an unnecessary expenditure by containing runaway spending in a type of contract used extensively by the Department of Defense. 

A news release from Boxer’s office noted that the cap passed under the amendment is still double the $200,000 salary that the president’s Cabinet secretaries earn.  

The amendment cleared the upper chamber by unanimous consent Thursday, en bloc, with several other amendments.