diff --git a/view.hpp b/view.hpp
index 068f6332..d1f86a7c 100644
--- a/view.hpp
+++ b/view.hpp
@@ -306,7 +306,9 @@ namespace cruft {
         [[nodiscard]] constexpr auto
         redim (size_type count) const
         {
-            assert (count > 0);
+            if constexpr (std::is_signed_v<size_type>)
+                assert (count >= 0);
+
             if (count > size ())
                 throw std::invalid_argument ("redim to higher size not allowed");
             return view { m_begin, m_begin + count };