1 files changed, 1 insertions, 1 deletions

diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index 89791d6..3557534 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -521,7 +521,7 @@ YueParser::YueParser() {
         NotIn = true_();
         InDiscrete =
                 '[' >> Seperator >> space >> exp_not_tab >> (+(space >> ',' >> space >> exp_not_tab) | space >> ',') >> space >> ']' |
-                '{' >> Seperator >> space >> exp_not_tab >> *(space >> ',' >> space >> exp_not_tab) >> space >> '}';
+                '{' >> Seperator >> space >> exp_not_tab >> *(space >> ',' >> space >> exp_not_tab | space >> ',') >> space >> '}';
         In = -(key("not") >> NotIn >> space) >> key("in") >> space >> (InDiscrete | and_(key("not")) >> confusing_unary_not_error | Exp);
 
         UnaryOperator =