diff --git a/avr/devices/c01/boot/boot.asm b/avr/devices/c01/boot/boot.asm
index 5b123b0..644b0f0 100644
--- a/avr/devices/c01/boot/boot.asm
+++ b/avr/devices/c01/boot/boot.asm
@@ -115,7 +115,7 @@ main:
 ; ***************************************************************************
 ; includes
 
-.include "common/utils_wait_fixed.asm"
+.include "common/wait_10us.asm"
 .include "common/utils_copy_from_flash.asm"
 .include "common/utils_copy_sdram.asm"