diff --git a/[refs] b/[refs]
index b757cc173440..2b002e924347 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 20cee16ced631f70a62c97bdebae08a1c9470448
+refs/heads/master: 723e2b35e43dcbcfd737c40453caa7d198092d23
diff --git a/trunk/arch/ppc64/Makefile b/trunk/arch/ppc64/Makefile
index 691f3008e698..33c752ceca4b 100644
--- a/trunk/arch/ppc64/Makefile
+++ b/trunk/arch/ppc64/Makefile
@@ -35,9 +35,9 @@ CROSS32AS	:= $(AS) -a32
 CROSS32LD	:= $(LD) -m elf32ppc
 CROSS32OBJCOPY	:= $(OBJCOPY)
 endif
-AS              := $(AS) -a64
-LD              := $(LD) -m elf64ppc
-CC		:= $(CC) -m64
+override AS	+= -a64
+override LD	+= -m elf64ppc
+override CC	+= -m64
 endif
 
 export CROSS32CC CROSS32AS CROSS32LD CROSS32OBJCOPY