diff --git a/Upsilon/Binder/Binder.cs b/Upsilon/Binder/Binder.cs
index 8b69057..d39a5ff 100644
--- a/Upsilon/Binder/Binder.cs
+++ b/Upsilon/Binder/Binder.cs
@@ -128,7 +128,7 @@ namespace Upsilon.Binder
                 case SyntaxKind.FunctionExpression:
                     return BindFunctionExpression((FunctionExpressionSyntax) e);
                 case SyntaxKind.BadExpression:
-                    break;
+                    return new BoundLiteralExpression(new ScriptNull(), e.Span);
                 case SyntaxKind.ScriptUnit:
                     break;
                 default: