diff --git a/libs/util/include/psemek/util/span.hpp b/libs/util/include/psemek/util/span.hpp
index 8edaca8d..476f072c 100644
--- a/libs/util/include/psemek/util/span.hpp
+++ b/libs/util/include/psemek/util/span.hpp
@@ -1,7 +1,6 @@
 #pragma once
 
 #include <iterator>
-#include <array>
 
 namespace psemek::util
 {
@@ -42,10 +41,10 @@ namespace psemek::util
 			, p_end{a + N}
 		{}
 
-		template <std::size_t N>
-		span(std::array<T, N> & a)
+		template <typename Container>
+		span(Container & a)
 			: p_begin{a.data()}
-			, p_end{a.data() + N}
+			, p_end{a.data() + a.size()}
 		{}
 
 		span & operator =(span const &) = default;