diff --git a/tools/testing/selftests/bpf/xdp_hw_metadata.c b/tools/testing/selftests/bpf/xdp_hw_metadata.c
index 0859fe727da7..6f9956eed797 100644
--- a/tools/testing/selftests/bpf/xdp_hw_metadata.c
+++ b/tools/testing/selftests/bpf/xdp_hw_metadata.c
@@ -581,6 +581,8 @@ static void cleanup(void)
 
 	if (bpf_obj)
 		xdp_hw_metadata__destroy(bpf_obj);
+
+	free((void *)saved_hwtstamp_ifname);
 }
 
 static void handle_signal(int sig)