diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs
index b4fbf3b668dd..328b7ad6a495 100644
--- a/compiler/rustc_middle/src/lint.rs
+++ b/compiler/rustc_middle/src/lint.rs
@@ -392,8 +392,6 @@ pub fn struct_lint_level<'s, 'd>(
             return;
         }
 
-        explain_lint_level_source(lint, level, src, &mut *err);
-
         let name = lint.name_lower();
         let is_force_warn = matches!(level, Level::ForceWarn(_));
         err.code(DiagnosticId::Lint { name, has_future_breakage, is_force_warn });
@@ -434,6 +432,7 @@ pub fn struct_lint_level<'s, 'd>(
 
         // Finally, run `decorate`.
         decorate(&mut err);
+        explain_lint_level_source(lint, level, src, &mut *err);
         err.emit()
     }
     struct_lint_level_impl(sess, lint, level, src, span, msg, Box::new(decorate))