diff --git a/src/modules/array2d.c b/src/modules/array2d.c
index 6ef39894..cbfbf48a 100644
--- a/src/modules/array2d.c
+++ b/src/modules/array2d.c
@@ -1038,6 +1038,7 @@ static bool chunked_array2d__remove_chunk(int argc, py_Ref argv) {
     c11_chunked_array2d* self = py_touserdata(argv);
     c11_vec2i pos = py_tovec2i(&argv[1]);
     bool ok = c11_chunked_array2d_chunks__del(&self->chunks, pos);
+    self->last_visited.value = NULL;
     py_newbool(py_retval(), ok);
     return true;
 }