1 files changed, 2 insertions, 1 deletions
diff --git a/parse.y b/parse.y
index c7ed2edea0..0bf717aa95 100644
--- a/parse.y
+++ b/parse.y
@@ -10994,9 +10994,9 @@ is_private_local_id(ID name)
 static int
 shadowing_lvar_0(struct parser_params *p, ID name)
 {
-    if (is_private_local_id(name)) return 1;
     if (dyna_in_block(p)) {
 	if (dvar_curr(p, name)) {
+	    if (is_private_local_id(name)) return 1;
 	    yyerror0("duplicated argument name");
 	}
 	else if (dvar_defined(p, name) || local_id(p, name)) {
@@ -11009,6 +11009,7 @@ shadowing_lvar_0(struct parser_params *p, ID name)
     }
     else {
 	if (local_id(p, name)) {
+	    if (is_private_local_id(name)) return 1;
 	    yyerror0("duplicated argument name");
 	}
     }