diff --git a/src/test/ui/span/E0535.rs b/src/test/ui/span/E0535.rs
index 17558cc05c6..f9219436c78 100644
--- a/src/test/ui/span/E0535.rs
+++ b/src/test/ui/span/E0535.rs
@@ -11,4 +11,6 @@
 #[inline(unknown)] //~ ERROR E0535
 pub fn something() {}
 
-fn main() {}
+fn main() {
+    something();
+}