diff --git a/libs/util/include/psemek/util/span.hpp b/libs/util/include/psemek/util/span.hpp
index 0b9153e0..93cf5af3 100644
--- a/libs/util/include/psemek/util/span.hpp
+++ b/libs/util/include/psemek/util/span.hpp
@@ -95,4 +95,10 @@ namespace psemek::util
 		return !(s1 == s2);
 	}
 
+	template <typename T, typename H>
+	span<T> cast(span<H> const & s)
+	{
+		return span<T>{reinterpret_cast<T *>(s.begin()), reinterpret_cast<T *>(s.end())};
+	}
+
 }