diff --git a/libcxx/include/__ranges/concepts.h b/libcxx/include/__ranges/concepts.h
--- a/libcxx/include/__ranges/concepts.h
+++ b/libcxx/include/__ranges/concepts.h
@@ -80,11 +80,11 @@
     movable<_Tp> &&
     enable_view<_Tp>;
 
-  template<class _Range>
-  concept __simple_view =
-    view<_Range> && range<const _Range> &&
-    same_as<iterator_t<_Range>, iterator_t<const _Range>> &&
-    same_as<sentinel_t<_Range>, iterator_t<const _Range>>;
+  template <class _Range>
+  concept __simple_view = 
+      view<_Range> && range<const _Range> &&
+      same_as<iterator_t<_Range>, iterator_t<const _Range>> && 
+      same_as<sentinel_t<_Range>, sentinel_t<const _Range>>;
 
   // [range.refinements], other range refinements
   template <class _Rp, class _Tp>
diff --git a/libcxx/test/libcxx/ranges/range.utility.helpers/simple_view.compile.pass.cpp b/libcxx/test/libcxx/ranges/range.utility.helpers/simple_view.compile.pass.cpp
--- a/libcxx/test/libcxx/ranges/range.utility.helpers/simple_view.compile.pass.cpp
+++ b/libcxx/test/libcxx/ranges/range.utility.helpers/simple_view.compile.pass.cpp
@@ -34,12 +34,19 @@
   int *end();
 };
 
-struct DifferentSentinel : std::ranges::view_base {
+struct WithSentinel : std::ranges::view_base {
   int *begin() const;
   sentinel_wrapper<int*> end() const;
 };
 
+struct WrongConstSentinel : std::ranges::view_base {
+  int *begin() const;
+  sentinel_wrapper<int*> end();
+  sentinel_wrapper<const int*> end() const;
+};
+
 static_assert( std::ranges::__simple_view<SimpleView>);
 static_assert(!std::ranges::__simple_view<WrongConstView>);
 static_assert(!std::ranges::__simple_view<NoConstView>);
-static_assert(!std::ranges::__simple_view<DifferentSentinel>);
+static_assert(std::ranges::__simple_view<WithSentinel>);
+static_assert(!std::ranges::__simple_view<WrongConstSentinel>);