diff --git a/src/cgi.cpp b/src/cgi.cpp
index 3b171ba..9d7c043 100644
--- a/src/cgi.cpp
+++ b/src/cgi.cpp
@@ -173,7 +173,7 @@ vector<string> get_array(const string &name)
         const string value{element.getValue()};
         if (!value.empty())
         {
-            const auto new_values{string_to_vector(tolower(value))};
+            const auto new_values{string_to_vector(value)};
             values.insert(values.end(),
                           std::make_move_iterator(new_values.begin()),
                           std::make_move_iterator(new_values.end()));