diff --git a/include/ircd/util.h b/include/ircd/util.h
index cc365c69e..2bf621dc7 100644
--- a/include/ircd/util.h
+++ b/include/ircd/util.h
@@ -286,6 +286,20 @@ hash(const std::string &str,
 	return i >= str.size()? 7681ULL : (hash(str, i+1) * 33ULL) ^ str.at(i);
 }
 
+constexpr size_t
+hash(const char16_t *const &str,
+     const size_t i = 0)
+{
+	return !str[i]? 7681ULL : (hash(str, i+1) * 33ULL) ^ str[i];
+}
+
+inline size_t
+hash(const std::u16string &str,
+     const size_t i = 0)
+{
+	return i >= str.size()? 7681ULL : (hash(str, i+1) * 33ULL) ^ str.at(i);
+}
+
 
 /***
  * C++14 user defined literals