diff --git a/interpret.h b/interpret.h
index 57d060e6..26010ada 100644
--- a/interpret.h
+++ b/interpret.h
@@ -213,7 +213,7 @@ top:
 			case Node_var_new:
 uninitialized_scalar:
 				if (op != Op_push_arg_untyped) {
-					/* convert untyped to scalar */
+					/* convert very original untyped to scalar */
 					m->type = Node_var;
 					m->var_value = dupnode(Nnull_string);
 				}
@@ -222,6 +222,7 @@ uninitialized_scalar:
 						_("reference to uninitialized argument `%s'") :
 						_("reference to uninitialized variable `%s'"),
 								save_symbol->vname);
+				// set up local param by value
 				if (op != Op_push_arg_untyped)
 					m = dupnode(Nnull_string);
 				UPREF(m);
@@ -230,14 +231,20 @@ uninitialized_scalar:
 
 			case Node_elem_new:
 				if (op != Op_push_arg_untyped) {
-					/* convert untyped to scalar */
-					m = elem_new_to_scalar(m);
+					/* convert very original untyped to scalar */
+					m->type = Node_var;
+					m->var_value = dupnode(Nnull_string);
 				}
 				if (do_lint)
 					lintwarn(isparam ?
 						_("reference to uninitialized argument `%s'") :
 						_("reference to uninitialized variable `%s'"),
 								save_symbol->vname);
+				// set up local param by value
+				if (op != Op_push_arg_untyped) {
+					m = elem_new_to_scalar(m);
+				}
+
 				PUSH(m);
 				break;