diff --git a/src/headers/parsing/Parser.hpp b/src/headers/parsing/Parser.hpp
index a42a2ff..fb9bc0a 100644
--- a/src/headers/parsing/Parser.hpp
+++ b/src/headers/parsing/Parser.hpp
@@ -13,7 +13,7 @@ namespace Parser {
         using namespace StandardComponents;
         using enum tok::type;
         unsigned int i = 0;
-        const auto nextAre = [&i, &lexed]<convertible_to<tok::type> T>(const initializer_list<T>& nextValues) {
+        const auto nextAre = [&i, &lexed]<convertible_to<tok::type> T>(const initializer_list<T>& nextValues) -> bool {
             unsigned int j = 1;
             for (const T& nextValue: nextValues) {
                 if (!cmp_greater(lexed.size() - i, nextValues.size()) || lexed[i + j].toktype != nextValue) {