diff --git a/src/rustc/middle/typeck/astconv.rs b/src/rustc/middle/typeck/astconv.rs
index 2810c6b8c8d..0ba90e07984 100644
--- a/src/rustc/middle/typeck/astconv.rs
+++ b/src/rustc/middle/typeck/astconv.rs
@@ -302,6 +302,7 @@ fn ast_ty_to_ty<AC: ast_conv, RS: region_scope copy>(
             // n.b.: resolve guarantees that the self type only appears in an
             // iface, which we rely upon in various places when creating
             // substs
+            check_path_args(tcx, path, NO_TPS | NO_REGIONS);
             ty::mk_self(tcx)
           }
           _ {