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-rw-r--r--tests/rustdoc/const-generics/const-impl.rs4
1 files changed, 3 insertions, 1 deletions
diff --git a/tests/rustdoc/const-generics/const-impl.rs b/tests/rustdoc/const-generics/const-impl.rs
index b424ea4b33c..f4eefcc1c33 100644
--- a/tests/rustdoc/const-generics/const-impl.rs
+++ b/tests/rustdoc/const-generics/const-impl.rs
@@ -2,7 +2,9 @@
 #![feature(adt_const_params)]
 #![crate_name = "foo"]
 
-#[derive(PartialEq, Eq)]
+use std::marker::ConstParamTy;
+
+#[derive(PartialEq, Eq, ConstParamTy)]
 pub enum Order {
     Sorted,
     Unsorted,