diff --git a/.gitignore b/.gitignore
index 04ee36f..a4ea3fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 out/**/*
 build/**/*
+build-*/**/*
 **/node_modules/**/*
 .cache/**/*
 *.code-workspace
diff --git a/debugger/src/internal/utils/lua_types.h b/debugger/src/internal/utils/lua_types.h
index 4dbd3aa..b3ada61 100644
--- a/debugger/src/internal/utils/lua_types.h
+++ b/debugger/src/internal/utils/lua_types.h
@@ -60,6 +60,16 @@ class Number {
   }
 };
 
+class Integer {
+ public:
+  static constexpr lua_Type type = LUA_TINTEGER;
+  static std::string typeName() { return lua_typename(nullptr, type); }
+  static std::string toString(lua_State* L, int index) {
+    int64_t value = lua_tointeger64(L, index, nullptr);
+    return std::format("{}", value);
+  }
+};
+
 class String {
  public:
   static constexpr lua_Type type = LUA_TSTRING;
@@ -125,6 +135,7 @@ using RegisteredTypes = TypeList<Nil,
                                  Boolean,
                                  Vector,
                                  Number,
+                                 Integer,
                                  String,
                                  LightUserData,
                                  Table,
diff --git a/debugger/src/internal/variable.cpp b/debugger/src/internal/variable.cpp
index 6e5afda..543cd6f 100644
--- a/debugger/src/internal/variable.cpp
+++ b/debugger/src/internal/variable.cpp
@@ -253,13 +253,17 @@ bool Variable::hasGetters(lua_State* L, int value_idx) {
 Variable Variable::addField(lua_State* L,
                             VariableRegistry* registry,
                             const Scope& scope) {
-  bool number_index = lua_type(L, -2) == LUA_TNUMBER;
+  int key_type = lua_type(L, -2);
   std::string field_name = lua_utils::type::toString(L, -2);
-  if (number_index)
+  if (key_type == LUA_TNUMBER)
     field_name = std::format("[{}]", lua_tointeger(L, -2));
+  else if (key_type == LUA_TINTEGER)
+    field_name = std::format("[{}]", lua_tointeger64(L, -2, nullptr));
   auto variable = registry->createVariable(L, field_name, scope.getLevel());
-  if (number_index)
+  if (key_type == LUA_TNUMBER)
     variable.index_ = lua_tointeger(L, -2);
+  else if (key_type == LUA_TINTEGER)
+    variable.index_ = static_cast<int>(lua_tointeger64(L, -2, nullptr));
   return variable;
 }