diff --git a/funcs_aggregation_test.go b/funcs_aggregation_test.go
index 969cc25..01c752a 100644
--- a/funcs_aggregation_test.go
+++ b/funcs_aggregation_test.go
@@ -1,12 +1,13 @@
 package handy
 
 import (
+    "github.com/hsldymq/goiter"
     "slices"
     "testing"
 )
 
 func TestReduce(t *testing.T) {
-    list := NewList(1, 2, 3, 4, 5)
+    list := NewIterableFromSeq(goiter.SliceElem([]int{1, 2, 3, 4, 5}))
     actual := Reduce(list, 0, func(acc, each int) int {
         return acc + each
     })