diff --git a/src/librustc/diagnostics.rs b/src/librustc/diagnostics.rs
index 9b0483d00a44..fe3f1bbbe8c4 100644
--- a/src/librustc/diagnostics.rs
+++ b/src/librustc/diagnostics.rs
@@ -1982,10 +1982,9 @@ fn fix<F>(f: &F)
 }
 
 fn main() {
-  let x = |y| {
+  fix(&|y| {
     // Here, when `x` is called, the parameter `y` is equal to `x`.
-  };
-  fix(&x);
+  });
 }
 ```