diff --git a/src/coreclr/gc/gc.cpp b/src/coreclr/gc/gc.cpp
index d291743679238a..c5e976ed69ee9c 100644
--- a/src/coreclr/gc/gc.cpp
+++ b/src/coreclr/gc/gc.cpp
@@ -34648,6 +34648,11 @@ void gc_heap::revisit_written_pages (BOOL concurrent_p, BOOL reset_only_p)
 
                         if (!reset_only_p)
                         {
+                            // refetch the high address in case it has changed while we fetched dirty pages
+                            // this is only an issue for the page high_address is on - we may have new
+                            // objects after high_address.
+                            high_address = high_page (seg, concurrent_p);
+
                             for (unsigned i = 0; i < bcount; i++)
                             {
                                 uint8_t* page = (uint8_t*)background_written_addresses[i];