3 files changed, 6 insertions, 3 deletions

diff --git a/spec/inputs/in_expression.yue b/spec/inputs/in_expression.yue
index 66a8215..4080016 100644
--- a/spec/inputs/in_expression.yue
+++ b/spec/inputs/in_expression.yue
@@ -36,7 +36,7 @@ do
 do
         item = get!
         list = {1, 2, 3}
-        exist = item in list
+        not_exist = item not in list
         check item in list
         check item in {1, 2, 3}
         check item in {[1]: 1, [2]: 2, [3]: 3}
diff --git a/spec/outputs/in_expression.lua b/spec/outputs/in_expression.lua
index 41ae87e..ccc5fd0 100644
--- a/spec/outputs/in_expression.lua
+++ b/spec/outputs/in_expression.lua
@@ -92,7 +92,7 @@ do
                 2,
                 3
         }
-        local exist = (#list > 0 and (function()
+        local not_exist = not (#list > 0 and (function()
                 for _index_0 = 1, #list do
                         if list[_index_0] == item then
                                 return true
diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 3353a2a..c6cc4ba 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -72,7 +72,7 @@ static std::unordered_set<std::string> Metamethods = {
         "close"s // Lua 5.4
 };
 
-const std::string_view version = "0.17.5"sv;
+const std::string_view version = "0.17.6"sv;
 const std::string_view extension = "yue"sv;
 
 class CompileError : public std::logic_error {
@@ -5483,6 +5483,9 @@ private:
                                         }
                                         popAnonVarArg();
                                         popFunctionScope();
+                                        if (unary_exp->inExp->not_) {
+                                                temp.front().insert(0, "not "s);
+                                        }
                                         out.push_back(join(temp));
                                         return;
                                 }