diff --git a/dlls/msvcrt/tests/time.c b/dlls/msvcrt/tests/time.c
index 5df8951c152..e53083c561b 100644
--- a/dlls/msvcrt/tests/time.c
+++ b/dlls/msvcrt/tests/time.c
@@ -678,6 +678,9 @@ static void test_strftime(void)
         { "%X", "0", 0, 0, "m", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }},
         { "%X", "00", 0, 0, "mm", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }},
         { "%X", "m00", 0, 0, "mmm", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }, TRUE},
+        { "%X", "0", 0, 0, "s", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }},
+        { "%X", "00", 0, 0, "ss", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }},
+        { "%X", "s00", 0, 0, "sss", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }, TRUE},
         { "%X", "t", 0, 0, "t", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }, TRUE},
         { "%X", "tam", 0, 0, "tt", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }, TRUE},
         { "%X", "tam", 0, 0, "ttttttttt", { 0, 0, 0, 1, 0, 70, 0, 0, 0 }, TRUE},