diff --git a/crates/workspace2/src/workspace2.rs b/crates/workspace2/src/workspace2.rs
index 135a713661725017ee99f4ff93170ade724d70eb..a649a8696a0641161618458d7754f001998babc6 100644
--- a/crates/workspace2/src/workspace2.rs
+++ b/crates/workspace2/src/workspace2.rs
@@ -343,8 +343,8 @@ impl CallHandler for TestCallHandler {
         None
     }
 
-    fn hang_up(&self, cx: AsyncWindowContext) -> Result<Task<Result<()>>> {
-        anyhow::bail!("TestCallHandler should not be hanging up")
+    fn hang_up(&self, cx: &mut AppContext) -> Task<Result<()>> {
+        Task::ready(Err(anyhow!("TestCallHandler should not be hanging up")))
     }
 
     fn active_project(&self, cx: &AppContext) -> Option<WeakModel<Project>> {