diff --git a/src/mol-script/transpilers/rasmol/parser.ts b/src/mol-script/transpilers/rasmol/parser.ts
index 67006ee281d3a0de77aaf3e1dc192781e4e9f2ec..21c1c629b045260b611b54b8d9f3dd4a2414074f 100644
--- a/src/mol-script/transpilers/rasmol/parser.ts
+++ b/src/mol-script/transpilers/rasmol/parser.ts
@@ -77,7 +77,7 @@ const lang = P.MonadicParser.createLanguage({
             r.Parens,
             r.Operator,
             r.Expression
-        ).wrap(P.MonadicParser.string('{'), P.MonadicParser.string('}'));
+        ).wrap(P.MonadicParser.string('( '), P.MonadicParser.string(' )'));
     },
 
     Expression: function (r: any) {