diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index afa4ce21ba7c..4892bd2dc33e 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -560,6 +560,7 @@ static int do_test_code_reading(bool try_kcore)
 	pid = getpid();
 
 	machine = machine__new_host();
+	machine->env = &perf_env;
 
 	ret = machine__create_kernel_maps(machine);
 	if (ret < 0) {