diff --git a/sim_timer.h b/sim_timer.h
index 1e779154..4de825e3 100644
--- a/sim_timer.h
+++ b/sim_timer.h
@@ -76,7 +76,7 @@ int clock_gettime(int clock_id, struct timespec *tp);
 
 #define SIM_IDLE_CAL    10                          /* ms to calibrate */
 #define SIM_IDLE_MAX    10                          /* max granularity idle */
-#define SIM_IDLE_STMIN  10                          /* min sec for stability */
+#define SIM_IDLE_STMIN  2                           /* min sec for stability */
 #define SIM_IDLE_STDFLT 20                          /* dft sec for stability */
 #define SIM_IDLE_STMAX  600                         /* max sec for stability */