diff --git a/lib/efi_selftest/efi_selftest_exitbootservices.c b/lib/efi_selftest/efi_selftest_exitbootservices.c
index 11b43fdd90b..b090ce74d23 100644
--- a/lib/efi_selftest/efi_selftest_exitbootservices.c
+++ b/lib/efi_selftest/efi_selftest_exitbootservices.c
@@ -27,7 +27,7 @@ struct notification_context {
 
 static struct efi_boot_services *boottime;
 static struct efi_event *efi_st_event_notify;
-struct notification_record record;
+static struct notification_record record;
 
 struct notification_context context_before = {
 	.record = &record,