diff --git a/src/librustc_typeck/diagnostics.rs b/src/librustc_typeck/diagnostics.rs
index f5ecedcebb49..6f7e2c80112f 100644
--- a/src/librustc_typeck/diagnostics.rs
+++ b/src/librustc_typeck/diagnostics.rs
@@ -4649,7 +4649,7 @@ A private item was used outside of its scope.
 
 Erroneous code example:
 
-```compile_fail,E0627
+```compile_fail,E0624
 mod inner {
     pub struct Foo;