2 files changed, 2 insertions, 2 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index f11f0698b148..c47b328eada0 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -781,7 +781,7 @@ config COMPAT_OLD_SIGACTION
         bool
 
 config 64BIT_TIME
-        def_bool ARCH_HAS_64BIT_TIME
+        def_bool y
         help
           This should be selected by all architectures that need to support
           new system calls with a 64-bit time_t. This is relevant on all 32-bit
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index ac5555e25733..8de4f789dc1b 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -691,7 +691,7 @@ static inline void process_adjtimex_modes(const struct __kernel_timex *txc,
                 time_constant = max(time_constant, 0l);
         }
 
-        if (txc->modes & ADJ_TAI && txc->constant > 0)
+        if (txc->modes & ADJ_TAI && txc->constant >= 0)
                 *time_tai = txc->constant;
 
         if (txc->modes & ADJ_OFFSET)