1 files changed, 1 insertions, 1 deletions
diff --git a/vm_core.h b/vm_core.h
index fbd50dc4c2..031cc7b95b 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1753,7 +1753,7 @@ RUBY_SYMBOL_EXPORT_BEGIN
 int rb_thread_check_trap_pending(void);
 
 extern VALUE rb_get_coverages(void);
-extern void rb_set_coverages(VALUE, int);
+extern void rb_set_coverages(VALUE, int, VALUE);
 extern void rb_reset_coverages(void);
 
 void rb_postponed_job_flush(rb_vm_t *vm);