diff --git a/test/api/test-ot-name.c b/test/api/test-ot-name.c
index c844f48ec..71a8727b5 100644
--- a/test/api/test-ot-name.c
+++ b/test/api/test-ot-name.c
@@ -27,7 +27,7 @@
 
 #include <hb-ot.h>
 
-hb_face_t *face;
+static hb_face_t *face;
 
 static void
 test_ot_layout_feature_get_name_ids_and_characters (void)