diff --git a/src/libsystemd/sd-bus/test-bus-marshal.c b/src/libsystemd/sd-bus/test-bus-marshal.c
index c647f0f..f007168 100644
--- a/src/libsystemd/sd-bus/test-bus-marshal.c
+++ b/src/libsystemd/sd-bus/test-bus-marshal.c
@@ -20,8 +20,8 @@
 #include "bus-label.h"
 #include "bus-message.h"
 #include "bus-util.h"
+#include "escape.h"
 #include "fd-util.h"
-#include "hexdecoct.h"
 #include "log.h"
 #include "util.h"
 
@@ -112,7 +112,7 @@ int main(int argc, char *argv[]) {
         uint8_t u, v;
         void *buffer = NULL;
         size_t sz;
-        char *h;
+        _cleanup_free_ char *h = NULL;
         const int32_t integer_array[] = { -1, -2, 0, 1, 2 }, *return_array;
         char *s;
         _cleanup_free_ char *first = NULL, *second = NULL, *third = NULL;
@@ -194,11 +194,9 @@ int main(int argc, char *argv[]) {
         r = bus_message_get_blob(m, &buffer, &sz);
         assert_se(r >= 0);
 
-        h = hexmem(buffer, sz);
+        h = cescape_length(buffer, sz);
         assert_se(h);
-
         log_info("message size = %zu, contents =\n%s", sz, h);
-        free(h);
 
 #if HAVE_GLIB
 #ifndef __SANITIZE_ADDRESS__