diff --git a/pic/318LPW1K-L/318LPW1K-L.c b/pic/318LPW1K-L/318LPW1K-L.c
index d1d52d3..8d6171b 100644
--- a/pic/318LPW1K-L/318LPW1K-L.c
+++ b/pic/318LPW1K-L/318LPW1K-L.c
@@ -58,20 +58,17 @@ uint16_t __at(_CONFIG) __CONFIG = _CPD_OFF & // no data code protect
 // 0x2100 comes from the PIC12F629 Memory Programming document
 __code uint8_t __at(0x2100) EEPROM[] = {0xc9, 0x17, 0xc2, 0x00};
 
-/* set timer in ms */
-#define TICKS_PER_MS 145UL // the number of timer 1 ticks to wait for 1ms, using the internal 4MHz clock and a prescaler of 8, and hand tuning
-
 void timer_1ms() {
   TMR1ON = 0; // disable timer 1 (to write value safely)
-  TMR1L = (0xffff-1*TICKS_PER_MS); // set time
-  TMR1H = (0xffff-1*TICKS_PER_MS)>>8; // set time
+  TMR1L = 0x6e; // set time (tuned per hand)
+  TMR1H = 0xff; // set time
   TMR1ON = 1; // start timer 1
 }
 
 void timer_2ms() {
   TMR1ON = 0; // disable timer 1 (to write value safely)
-  TMR1L = (0xffff-2*TICKS_PER_MS); // set time
-  TMR1H = (0xffff-2*TICKS_PER_MS)>>8; // set time
+  TMR1L = 0x22; // set time (tunef per hand)
+  TMR1H = 0xff; // set time
   TMR1ON = 1; // start timer 1
 }