1 files changed, 4 insertions, 2 deletions
diff --git a/gc.c b/gc.c
index f2bccbca16..4adf86bf77 100644
--- a/gc.c
+++ b/gc.c
@@ -6756,8 +6756,10 @@ mark_current_machine_context(rb_objspace_t *objspace, rb_execution_context_t *ec
 static void
 mark_current_machine_context(rb_objspace_t *objspace, rb_execution_context_t *ec)
 {
-    rb_wasm_scan_stack(rb_mark_locations);
-    each_stack_location(objspace, ec, rb_stack_range_tmp[0], rb_stack_range_tmp[1], gc_mark_maybe);
+    VALUE *stack_start, *stack_end;
+    SET_STACK_END;
+    GET_STACK_BOUNDS(stack_start, stack_end, 1);
+    each_stack_location(objspace, ec, stack_start, stack_end, gc_mark_maybe);
 
     rb_wasm_scan_locals(rb_mark_locations);
     each_stack_location(objspace, ec, rb_stack_range_tmp[0], rb_stack_range_tmp[1], gc_mark_maybe);