diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 5589bae34af6299ca26bc0ae7760dc1586949430..a6f538b31ad6c381d28f348707831a6dfd45a872 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -297,11 +297,11 @@ cmd_dt_S_dtb=						\
 	echo '\#include <asm-generic/vmlinux.lds.h>'; 	\
 	echo '.section .dtb.init.rodata,"a"';		\
 	echo '.balign STRUCT_ALIGNMENT';		\
-	echo '.global __dtb_$(*F)_begin';		\
-	echo '__dtb_$(*F)_begin:';			\
+	echo '.global __dtb_$(subst -,_,$(*F))_begin';	\
+	echo '__dtb_$(subst -,_,$(*F))_begin:';		\
 	echo '.incbin "$<" ';				\
-	echo '__dtb_$(*F)_end:';			\
-	echo '.global __dtb_$(*F)_end';			\
+	echo '__dtb_$(subst -,_,$(*F))_end:';		\
+	echo '.global __dtb_$(subst -,_,$(*F))_end';	\
 	echo '.balign STRUCT_ALIGNMENT'; 		\
 ) > $@