diff --git a/src/Struct/Item.js b/src/Struct/Item.js
index 8b88f96b..6dceb10c 100644
--- a/src/Struct/Item.js
+++ b/src/Struct/Item.js
@@ -35,6 +35,7 @@ export function splitHelper (y, a, b, diff) {
     if (o._origin === a) {
       o._origin = b
     }
+    foundOrigins.add(o)
     o = o._right
   }
   y.os.put(b)
diff --git a/test/y-array.tests.js b/test/y-array.tests.js
index a32c5a80..bf76e4f9 100644
--- a/test/y-array.tests.js
+++ b/test/y-array.tests.js
@@ -272,7 +272,7 @@ var arrayTransactions = [
 ]
 
 test('y-array: Random tests (5)', async function randomArray5 (t) {
-  await applyRandomTests(t, arrayTransactions, 12)
+  await applyRandomTests(t, arrayTransactions, 30)
 })
 
 test('y-array: Random tests (42)', async function randomArray42 (t) {