1 files changed, 2 insertions, 1 deletions

diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index 045e2c7..cd1fd48 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -889,6 +889,7 @@ YueParser::YueParser() {
 
         FnArrowBack = '<' >> set("-=");
         Backcall = -(FnArgsDef >> space) >> FnArrowBack >> space >> ChainValue;
+        SubBackcall = FnArrowBack >> space >> ChainValue;
 
         PipeBody = Seperator >>
                 pipe_operator >> space >> UnaryExp >>
@@ -946,7 +947,7 @@ YueParser::YueParser() {
                 UnaryValue | TblComprehension | Comprehension |
                 FunLit | Num | VarArg;
 
-        ExpListAssign = ExpList >> -(space >> (Update | Assign)) >> not_(space >> '=');
+        ExpListAssign = ExpList >> -(space >> (Update | Assign | SubBackcall)) >> not_(space >> '=');
 
         IfLine = IfType >> space >> IfCond;
         WhileLine = WhileType >> space >> Exp;