diff --git a/arch/xtensa/src/esp32s3/esp32s3_timerisr.c b/arch/xtensa/src/esp32s3/esp32s3_timerisr.c
index e2d4b232d8a..960c6140280 100644
--- a/arch/xtensa/src/esp32s3/esp32s3_timerisr.c
+++ b/arch/xtensa/src/esp32s3/esp32s3_timerisr.c
@@ -119,7 +119,7 @@ void up_timer_initialize(void)
   modifyreg32(SYSTEM_PERIP_RST_EN0_REG, SYSTEM_SYSTIMER_RST, 0);
   modifyreg32(SYSTIMER_CONF_REG, 0, SYSTIMER_CLK_EN);
 
-  /* Configure alarm0 (Comparator 0) */
+  /* Configure alarm 0 (Comparator 0) */
 
   regval = SYSTIMER_TARGET0_PERIOD_MODE |
            ((ESP32S3_SYSTIMER_TICKS_PER_SEC / CLOCKS_PER_SEC) <<
@@ -138,9 +138,9 @@ void up_timer_initialize(void)
 
   modifyreg32(SYSTIMER_INT_CLR_REG, 0, SYSTIMER_TARGET0_INT_CLR);
   modifyreg32(SYSTIMER_INT_ENA_REG, 0, SYSTIMER_TARGET0_INT_ENA);
+
+  /* Start alarm 0 and counter 0 */
+
   modifyreg32(SYSTIMER_CONF_REG, 0, SYSTIMER_TARGET0_WORK_EN);
-
-  /* Start alarm0 counter0 */
-
   modifyreg32(SYSTIMER_CONF_REG, 0, SYSTIMER_TIMER_UNIT0_WORK_EN);
 }