Earlier this week, members of Congress voted overwhelmingly to name a post office after the late-Congresswoman Louise Slaughter and her husband Bob Slaughter.

The Democrat served three decades in the House and died early last year while still in office. Only seven Republicans voted against the measure.

However, Congressman Chris Collins, who represents the neighboring New York district, did not vote. The two members were also very critical of each other, with Slaughter leading calls for investigations into the Republicans stock dealings.

Collins is currently facing federal charges related to insider trading.

“Louise and I were not exactly on the best of term,” he said.

But the congressman said he did not actively avoid the vote. Collins said he didn’t know it was happening and had a conflict that afternoon so he couldn’t be on the floor.

“We haven’t been voting on substantive issues,” he said. “So I had a conflict and it turns out it was the post office. It was supposed to be another one that didn’t occur but I wouldn’t read into anything other.”

In fact, Collins said he thought Congress had already passed legislation to rename the post office last year. He said he is still not sure how he would have voted.

“I would not have voted no,” he said. “Whether I would have voted present or not, I’m not sure.”