diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index be001d923d3fc21abd19690b34bb2203d9459640..928b88a55d05d737bddb64b92d316748fc37944f 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -170,5 +170,11 @@ $(obj)/zImage.initrd:	$(addprefix $(obj)/, $(initrd-y))
 install: $(CONFIGURE) $(image-y)
 	sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $<
 
-clean-files += $(addprefix $(objtree)/, vmlinux.strip.gz vmlinux.bin.gz)
+# anything not in $(targets)
 clean-files += $(image-) $(initrd-) zImage zImage.initrd
+
+# clean up files cached by wrapper
+clean-kernel := vmlinux.strip vmlinux.bin
+clean-kernel += $(addsuffix .gz,$(clean-kernel))
+# If not absolute clean-files are relative to $(obj).
+clean-files += $(addprefix $(objtree)/, $(clean-kernel))
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index f9238f53c1f353a249508ef77ff6847f4fb8831b..e4566bdfbe00ee38c64ccb51e9f42da47bb653f4 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -144,7 +144,7 @@ miboot|uboot)
 esac
 
 vmz="$tmpdir/`basename \"$kernel\"`.$ext"
-if [ -z "$cacheit" -o ! -f "$vmz.gz" -o "$vmz.gz" -ot "$kernel" ]; then
+if [ -z "$cacheit" -o ! -f "$vmz$gzip" -o "$vmz$gzip" -ot "$kernel" ]; then
     ${CROSS}objcopy $objflags "$kernel" "$vmz.$$"
 
     if [ -n "$gzip" ]; then