diff --git a/libc/kernel/arch-x86/asm/mc146818rtc.h b/libc/kernel/arch-x86/asm/mc146818rtc.h
index 4c7f9cc..f7e8781 100644
--- a/libc/kernel/arch-x86/asm/mc146818rtc.h
+++ b/libc/kernel/arch-x86/asm/mc146818rtc.h
@@ -16,4 +16,4 @@
  ***
  ****************************************************************************
  ****************************************************************************/
-#include "mc146818rtc_64.h"
+#include "mc146818rtc_32.h"