diff --git a/test_util/src/lib.rs b/test_util/src/lib.rs
index 03b830783d..a91416bb57 100644
--- a/test_util/src/lib.rs
+++ b/test_util/src/lib.rs
@@ -722,7 +722,10 @@ async fn wrap_main_https_server() {
   }
 }
 
-#[tokio::main]
+// Use the single-threaded scheduler. The hyper server is used as a point of
+// comparison for the (single-threaded!) benchmarks in cli/bench. We're not
+// comparing apples to apples if we use the default multi-threaded scheduler.
+#[tokio::main(basic_scheduler)]
 pub async fn run_all_servers() {
   if let Some(port) = env::args().nth(1) {
     return hyper_hello(port.parse::<u16>().unwrap()).await;