diff --git a/parse.cpp b/parse.cpp
index f32bb440..d475a3ca 100644
--- a/parse.cpp
+++ b/parse.cpp
@@ -95,3 +95,11 @@ util::parse<int> (util::view<const char*> str)
     auto intermediate = util::parse<long> (str);
     return util::cast::lossless<int> (intermediate);
 }
+
+
+template <>
+unsigned
+util::parse<unsigned> (util::view<const char*> str)
+{
+    return util::cast::narrow<unsigned> (parse<unsigned long> (str));
+}