diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c
index 19d2fad379ee..1d1c411d4cae 100644
--- a/kernel/irq/timings.c
+++ b/kernel/irq/timings.c
@@ -261,7 +261,7 @@ void irq_timings_disable(void)
 #define EMA_ALPHA_VAL		64
 #define EMA_ALPHA_SHIFT		7
 
-#define PREDICTION_PERIOD_MIN	2
+#define PREDICTION_PERIOD_MIN	3
 #define PREDICTION_PERIOD_MAX	5
 #define PREDICTION_FACTOR	4
 #define PREDICTION_MAX		10 /* 2 ^ PREDICTION_MAX useconds */