diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index 267ca6d4d9b3..3d8dc822282a 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -234,7 +234,7 @@ fi
 
 # suppress some warnings in recent ld versions
 nowarn="-z noexecstack"
-if [ $(${CROSS}ld -v --no-warn-rwx-segments &>/dev/null; echo $?) -eq 0 ]; then
+if "${CROSS}ld" -v --no-warn-rwx-segments >/dev/null 2>&1; then
 	nowarn="$nowarn --no-warn-rwx-segments"
 fi