diff --git a/src/errors.rs b/src/errors.rs
index 5b311342392..6bada3d334c 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -96,7 +96,7 @@ fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> {
             diag.span(span);
         };
         if let Some(missing_features) = self.missing_features {
-            diag.subdiagnostic(dcx, missing_features);
+            diag.subdiagnostic(missing_features);
         }
         diag.arg("features", self.features.join(", "));
         diag