1 files changed, 1 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 18043c2a13..d8e55cde3e 100644
--- a/gc.c
+++ b/gc.c
@@ -3507,6 +3507,7 @@ mark_current_machine_context(rb_objspace_t *objspace, rb_thread_t *th)
     /* This assumes that all registers are saved into the jmp_buf (and stack) */
     rb_setjmp(save_regs_gc_mark.j);
 
+    SET_STACK_END;
     GET_STACK_BOUNDS(stack_start, stack_end, 1);
 
     mark_locations_array(objspace, save_regs_gc_mark.v, numberof(save_regs_gc_mark.v));