diff --git a/libcxx/test/std/containers/sequences/vector/vector.capacity/shrink_to_fit.pass.cpp b/libcxx/test/std/containers/sequences/vector/vector.capacity/shrink_to_fit.pass.cpp
index d0bdf4fddc2251..a2f0900cf8110d 100644
--- a/libcxx/test/std/containers/sequences/vector/vector.capacity/shrink_to_fit.pass.cpp
+++ b/libcxx/test/std/containers/sequences/vector/vector.capacity/shrink_to_fit.pass.cpp
@@ -85,7 +85,7 @@ struct increasing_allocator {
     if (allocation_amount < min_bytes)
       allocation_amount = min_bytes;
     min_bytes += 1000;
-    return {static_cast<T*>(::operator new(allocation_amount)), allocation_amount};
+    return {static_cast<T*>(::operator new(allocation_amount)), allocation_amount/sizeof(T)};
   }
   T* allocate(std::size_t n) { return allocate_at_least(n).ptr; }
   void deallocate(T* p, std::size_t) noexcept { ::operator delete(static_cast<void*>(p)); }
@@ -103,7 +103,7 @@ void test_increasing_allocator() {
   assert(is_contiguous_container_asan_correct(v));
   std::size_t capacity = v.capacity();
   v.shrink_to_fit();
-  assert(v.capacity() == capacity);
+  assert(v.capacity() <= capacity);
   assert(v.size() == 1);
   assert(is_contiguous_container_asan_correct(v));
 }