1 files changed, 1 insertions, 1 deletions

diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
index 0a78705b43b2..c75faefb4fff 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
@@ -26,7 +26,7 @@ check_types() {
   test $X2 = $X3
   test 0x$X3 = $3
 
-  B4=`printf "%x" $4`
+  B4=`printf "%02x" $4`
   B3=`echo -n $X3 | tail -c 3 | head -c 2`
   test $B3 = $B4
 }