diff --git a/ktweak b/ktweak
index 3ca4ec9..f1a726b 100644
--- a/ktweak
+++ b/ktweak
@@ -37,11 +37,11 @@ for _ in $(seq 2)
 do
 	# Migrate tasks down at this much load
 	write /proc/sys/kernel/sched_downmigrate 80
-	write /proc/sys/kernel/sched_group_downmigrate 80
+	write /proc/sys/kernel/sched_group_downmigrate "80 80"
 
 	# Migrate tasks up at this much load
 	write /proc/sys/kernel/sched_upmigrate 80
-	write /proc/sys/kernel/sched_group_upmigrate 80
+	write /proc/sys/kernel/sched_group_upmigrate "80 80"
 done
 
 # Limit max perf event processing time to this much CPU usage