diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index facc13fbf16e..2a16cae28407 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -236,6 +236,7 @@ void machine__exit(struct machine *machine)
 	zfree(&machine->root_dir);
 	zfree(&machine->mmap_name);
 	zfree(&machine->current_tid);
+	zfree(&machine->kallsyms_filename);
 
 	for (i = 0; i < THREADS__TABLE_SIZE; i++) {
 		struct threads *threads = &machine->threads[i];