diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index 518dbc6eeb3..7de72d81987 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -1546,7 +1546,7 @@ fn render_default_items(
         let aliases = if aliases.is_empty() {
             String::new()
         } else {
-            format!(" aliases=\"{}\"", aliases.join(","))
+            format!(" data-aliases=\"{}\"", aliases.join(","))
         };
         if let Some(use_absolute) = use_absolute {
             write!(
diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index 7fbb97beae7..95b18490641 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -834,7 +834,7 @@ function hideThemeButtonState() {
             // (like "Send" and "Sync").
             var inlined_types = new Set();
             onEachLazy(synthetic_implementors.getElementsByClassName("impl"), function(el) {
-                var aliases = el.getAttribute("aliases");
+                var aliases = el.getAttribute("data-aliases");
                 if (!aliases) {
                     return;
                 }
diff --git a/src/test/rustdoc/auto_aliases.rs b/src/test/rustdoc/auto_aliases.rs
index b8f3527510c..56e0770ab5c 100644
--- a/src/test/rustdoc/auto_aliases.rs
+++ b/src/test/rustdoc/auto_aliases.rs
@@ -1,6 +1,6 @@
 #![feature(auto_traits)]
 
-// @has auto_aliases/trait.Bar.html '//h3[@aliases="auto_aliases::Foo"]' 'impl Bar for Foo'
+// @has auto_aliases/trait.Bar.html '//h3[@data-aliases="auto_aliases::Foo"]' 'impl Bar for Foo'
 pub struct Foo;
 
 pub auto trait Bar {}