1 files changed, 1 insertions, 1 deletions
diff --git a/tests/ui/diagnostic-width/flag-json.rs b/tests/ui/diagnostic-width/flag-json.rs
index 51a1fb447c7..820f1a049e1 100644
--- a/tests/ui/diagnostic-width/flag-json.rs
+++ b/tests/ui/diagnostic-width/flag-json.rs
@@ -1,9 +1,9 @@
 // compile-flags: --diagnostic-width=20 --error-format=json
+// error-pattern:expected `()`, found integer
 
 // This test checks that `-Z output-width` effects the JSON error output by restricting it to an
 // arbitrarily low value so that the effect is visible.
 
 fn main() {
     let _: () = 42;
-    //~^ ERROR arguments to this function are incorrect
 }