diff --git a/include/boost/json/impl/array.ipp b/include/boost/json/impl/array.ipp
index 61b451dc..6df6cf97 100644
--- a/include/boost/json/impl/array.ipp
+++ b/include/boost/json/impl/array.ipp
@@ -621,7 +621,7 @@ reserve_impl(size_type capacity)
         // 2x growth
         auto const hint = impl_.capacity * 2;
     #endif
-        if(hint < impl_.capacity)
+        if(hint < impl_.capacity) // overflow
             capacity = max_size();
         else if(capacity < hint)
             capacity = hint;
diff --git a/test/array.cpp b/test/array.cpp
index 139a9006..b5ac38fc 100644
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -621,6 +621,16 @@ public:
                 a.reserve(50);
                 BEAST_EXPECT(a.capacity() >= 50);
             }
+
+            fail_loop([&](storage_ptr const& sp)
+            {
+                array a(min_capacity_, 'c', sp);
+                a.reserve(a.capacity() + 1);
+                auto const new_cap = a.capacity();
+                BEAST_EXPECT(new_cap > min_capacity_);
+                a.reserve((min_capacity_ + new_cap) / 2);
+                BEAST_EXPECT(a.capacity() == new_cap);
+            });
         }
 
         // capacity()