The dean of the architecture school at the University of Texas at Austin architecture announced his resignation on Thursday citing the state’s new campus carry law, The Texas Tribune reported.

Fritz Steiner said he had been previously turned down other job offers, but decided to accept the position of dean at the University of Pennsylvania School of Design, his alma mater, in part because people will be able to carry guns on campus and in classrooms beginning August 1.

“I would have never applied for another job if not for campus carry,” he told the Tribune. “I felt that I was going to be responsible for managing a law I didn’t believe in.”

Steiner has led an award-winning program while at UT-Austin. He starts his new position on July 1, according to the report.