diff --git a/tests/pin_project.rs b/tests/pin_project.rs
index 69c90bcb..aa08056e 100644
--- a/tests/pin_project.rs
+++ b/tests/pin_project.rs
@@ -861,7 +861,7 @@ fn project_replace_panic() {
         // called, so this is unreachable.
         unreachable!();
     }));
-    res.unwrap_err();
+    assert!(res.is_err());
     assert!(a);
     assert!(b);
     assert!(c);
@@ -879,7 +879,7 @@ fn project_replace_panic() {
         }
         unreachable!();
     }));
-    res.unwrap_err();
+    assert!(res.is_err());
     assert!(a);
     assert!(b);
     assert!(c);