diff --git a/src/scheduler.rs b/src/scheduler.rs
index 861ffc9..f9637e5 100644
--- a/src/scheduler.rs
+++ b/src/scheduler.rs
@@ -726,7 +726,7 @@ pub fn run<F: FnOnce() + Send + 'static>(f: F) {
     crate::runtime::init(crate::runtime::Config::exact(1)).run(f);
 }
 
-#[cfg(test)]
+#[cfg(all(test, not(loom)))]
 mod send_after_to_tests {
     use super::*;
     use crate::channel::channel;