diff --git a/core/planner/helper_test.go b/core/planner/helper_test.go
index 5f07a8698..2f4c02b68 100644
--- a/core/planner/helper_test.go
+++ b/core/planner/helper_test.go
@@ -13,7 +13,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestSlitPrecondition(t *testing.T) {
+func TestSplitPrecondition(t *testing.T) {
 	clock := clock.NewMock()
 	rr := rates([]float64{1, 2, 3, 4}, clock.Now(), tariff.SlotDuration)
 	rates, precond := splitPreconditionSlots(rr, clock.Now().Add(3*tariff.SlotDuration))