diff --git a/source/mijin/util/string.hpp b/source/mijin/util/string.hpp
index 54efcc0..afaa00d 100644
--- a/source/mijin/util/string.hpp
+++ b/source/mijin/util/string.hpp
@@ -37,7 +37,7 @@ std::string join(const TRange& elements, const char* const delimiter)
     if (first != last)
     {
         std::copy(first, std::prev(last), std::ostream_iterator<TValue>(oss, delimiter));
-        first = prev(last);
+        first = std::prev(last);
     }
     if (first != last)
     {