diff --git a/string.hpp b/string.hpp
index 95077107..4d5bca31 100644
--- a/string.hpp
+++ b/string.hpp
@@ -63,6 +63,14 @@ namespace cruft {
     }
 
 
+    template <std::size_t N>
+    inline std::string
+    to_upper (char const (&val)[N])
+    {
+        return to_upper (std::string_view (val));
+    }
+
+
     /// Convert the provided string to all upper case
     inline std::string
     to_upper (std::string &&val)