diff --git a/firmware/target/arm/s5l8702/kernel-s5l8702.c b/firmware/target/arm/s5l8702/kernel-s5l8702.c
index 67dabd5f3f..7c5a697043 100644
--- a/firmware/target/arm/s5l8702/kernel-s5l8702.c
+++ b/firmware/target/arm/s5l8702/kernel-s5l8702.c
@@ -41,7 +41,7 @@ void tick_start(unsigned int interval_in_ms)
     
     /* configure timer for 10 kHz */
     TBCMD = (1 << 1);   /* TB_CLR */
-    TBPRE = 208 - 1;    /* prescaler */
+    TBPRE = 337 - 1;    /* prescaler */
     TBCON = (0 << 13) | /* TB_INT1_EN */
             (1 << 12) | /* TB_INT0_EN */
             (0 << 11) | /* TB_START */