diff --git a/tokio/src/task/join_set.rs b/tokio/src/task/join_set.rs
index a0a41cd0b52..9dd2da7e5cf 100644
--- a/tokio/src/task/join_set.rs
+++ b/tokio/src/task/join_set.rs
@@ -385,7 +385,7 @@ impl<'a, T: 'static> Builder<'a, T> {
     /// [`AbortHandle`]: crate::task::AbortHandle
     /// [runtime handle]: crate::runtime::Handle
     #[track_caller]
-    pub fn spawn_on<F>(self, future: F, handle: &Handle) -> AbortHandle
+    pub fn spawn_on<F>(mut self, future: F, handle: &Handle) -> AbortHandle
     where
         F: Future<Output = T>,
         F: Send + 'static,