diff --git a/kernel/sched/tune.c b/kernel/sched/tune.c
index 079b18802f17..d512b4fb218f 100644
--- a/kernel/sched/tune.c
+++ b/kernel/sched/tune.c
@@ -205,7 +205,7 @@ schedtune_accept_deltas(int nrg_delta, int cap_delta,
  *    implementation especially for the computation of the per-CPU boost
  *    value
  */
-#define BOOSTGROUPS_COUNT 4
+#define BOOSTGROUPS_COUNT 5
 
 /* Array of configured boostgroups */
 static struct schedtune *allocated_group[BOOSTGROUPS_COUNT] = {