1 files changed, 1 insertions, 2 deletions

diff --git a/lib/test_printf.c b/lib/test_printf.c
index 659b6cc0d483..250ee864b8b8 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -462,8 +462,7 @@ struct_rtc_time(void)
                 .tm_year = 118,
         };
 
-        test_hashed("%pt", &tm);
-
+        test("(%ptR?)", "%pt", &tm);
         test("2018-11-26T05:35:43", "%ptR", &tm);
         test("0118-10-26T05:35:43", "%ptRr", &tm);
         test("05:35:43|2018-11-26", "%ptRt|%ptRd", &tm, &tm);