diff --git a/cpu/74xx_7xx/start.S b/cpu/74xx_7xx/start.S
index b5484e3..792cd30 100644
--- a/cpu/74xx_7xx/start.S
+++ b/cpu/74xx_7xx/start.S
@@ -34,6 +34,7 @@
  */
 #include <config.h>
 #include <74xx_7xx.h>
+#include <timestamp.h>
 #include <version.h>
 
 #include <ppc_asm.tmpl>
@@ -87,7 +88,7 @@
 	.globl	version_string
 version_string:
 	.ascii	U_BOOT_VERSION
-	.ascii	" (", __DATE__, " - ", __TIME__, ")"
+	.ascii	" (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
 	.ascii	CONFIG_IDENT_STRING, "\0"
 
 	. = EXC_OFF_SYS_RESET