1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_hir_def/src/lib.rs b/crates/ra_hir_def/src/lib.rs
index ebc12e891..feb3a300d 100644
--- a/crates/ra_hir_def/src/lib.rs
+++ b/crates/ra_hir_def/src/lib.rs
@@ -332,7 +332,7 @@ pub enum VariantId {
     StructId(StructId),
     UnionId(UnionId),
 }
-impl_froms!(VariantId: EnumVariantId, StructId);
+impl_froms!(VariantId: EnumVariantId, StructId, UnionId);
 
 trait Intern {
     type ID;