1 files changed, 1 insertions, 1 deletions

diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index 1c3c927755de..7e0d8dab2075 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -337,7 +337,7 @@ static struct clocksource clocksource_tsc = {
         .name                   = "tsc",
         .rating                 = 300,
         .read                   = read_tsc,
-        .mask                   = (cycle_t)-1,
+        .mask                   = CLOCKSOURCE_MASK(64),
         .mult                   = 0, /* to be set */
         .shift                  = 22,
         .update_callback        = tsc_update_callback,