diff --git a/src/headers/arguments.hpp b/src/headers/arguments.hpp
index 9ef002b..0cef115 100644
--- a/src/headers/arguments.hpp
+++ b/src/headers/arguments.hpp
@@ -37,11 +37,10 @@ public:
 protected:
     bool is(string_view str) override {
         if (str.find_last_of('=') != string_view::npos && !str.empty()) {
-            auto isValid = [&]() -> bool { return str.starts_with("--" + longVersion + '='); };
-            if (values.empty()) return isValid();
+            if (values.empty()) isValid: return str.starts_with("--" + longVersion + '=');
             for (const auto& value : values) {
                 if (str.ends_with(value.substr(1, value.size()))) {
-                    return isValid();
+                    goto isValid;
                 }
             }
         }