1 files changed, 1 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 42559eb377..32b7807d74 100644
--- a/gc.c
+++ b/gc.c
@@ -5620,7 +5620,7 @@ gc_check_after_marks_i(st_data_t k, st_data_t v, void *ptr)
 }
 
 static void
-gc_marks_check(rb_objspace_t *objspace, int (*checker_func)(ANYARGS), const char *checker_name)
+gc_marks_check(rb_objspace_t *objspace, st_foreach_callback_func *checker_func, const char *checker_name)
 {
     size_t saved_malloc_increase = objspace->malloc_params.increase;
 #if RGENGC_ESTIMATE_OLDMALLOC