diff --git a/pr_check.sh b/pr_check.sh
index c402ce6e..3828ab48 100755
--- a/pr_check.sh
+++ b/pr_check.sh
@@ -14,8 +14,7 @@ docker rm -f $CONTAINER_NAME-run
 # This confused me for a while because pr_check_inner.sh is also copied into the pr check container at build time
 # but the template_check.sh isn't. I couldn't figure out how it was sourcing it
 
-docker buildx use multiarchbuilder
-docker buildx build --platform linux/amd64,linux/arm64 -t $CONTAINER_NAME -f build/Dockerfile.pr . 
+docker buildx build --platform linux/amd64 -t $CONTAINER_NAME -f build/Dockerfile.pr . 
 docker buildx build --load -t $CONTAINER_NAME -f build/Dockerfile.pr .
 
 docker run -i --name $CONTAINER_NAME-run -v $PWD:/workspace:ro $CONTAINER_NAME /workspace/build/pr_check_inner.sh