diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs
index 3ec270a7c97..972999deb18 100644
--- a/compiler/rustc_passes/src/stability.rs
+++ b/compiler/rustc_passes/src/stability.rs
@@ -600,6 +600,9 @@ impl<'tcx> Visitor<'tcx> for MissingStabilityAnnotations<'tcx> {
 
     fn visit_variant(&mut self, var: &'tcx Variant<'tcx>) {
         self.check_missing_stability(self.tcx.hir().local_def_id(var.id), var.span);
+        if let Some(ctor_hir_id) = var.data.ctor_hir_id() {
+            self.check_missing_stability(self.tcx.hir().local_def_id(ctor_hir_id), var.span);
+        }
         intravisit::walk_variant(self, var);
     }