--- a/src/parse.y
+++ b/src/parse.y
@@ -705,16 +705,26 @@
 		  { lexer_flags.looking_at_indirect_ref = true; }
 		;
 
+begin_obj_idx	: // empty
+		  { lexer_flags.looking_at_object_index = true; }
+		;
+
 postfix_expr	: primary_expr
 		  { $$ = $1; }
-		| postfix_expr '(' ')'
+		| postfix_expr '(' begin_obj_idx ')'
 		  { $$ = make_index_expression ($1, 0, '('); }
-		| postfix_expr '(' arg_list ')'
-		  { $$ = make_index_expression ($1, $3, '('); }
-		| postfix_expr '{' '}'
+		| postfix_expr '(' begin_obj_idx arg_list ')'
+		  {
+		    $$ = make_index_expression ($1, $4, '(');
+		    lexer_flags.looking_at_object_index = false;
+		  }
+		| postfix_expr '{' begin_obj_idx '}'
 		  { $$ = make_index_expression ($1, 0, '{'); }
-		| postfix_expr '{' arg_list '}'
-		  { $$ = make_index_expression ($1, $3, '{'); }
+		| postfix_expr '{' begin_obj_idx arg_list '}'
+		  {
+		    $$ = make_index_expression ($1, $4, '{');
+		    lexer_flags.looking_at_object_index = false;
+		  }
 		| postfix_expr PLUS_PLUS
 		  { $$ = make_postfix_op (PLUS_PLUS, $1, $2); }
 		| postfix_expr MINUS_MINUS