diff --git a/include/toolkit.h b/include/toolkit.h
index 8368625..31d5a6a 100644
--- a/include/toolkit.h
+++ b/include/toolkit.h
@@ -34,7 +34,7 @@ namespace toolkit
       HEX,
       OCT,
       DEC
-    }
+    };
 
     template <typename T>
     inline std::expected<std::string, std::string> to_string(T value)