diff --git a/tests/micropython/heapalloc_int_from_bytes.py b/tests/micropython/heapalloc_int_from_bytes.py
index f8afd2280..5fe50443a 100644
--- a/tests/micropython/heapalloc_int_from_bytes.py
+++ b/tests/micropython/heapalloc_int_from_bytes.py
@@ -5,4 +5,5 @@ import micropython
 micropython.heap_lock()
 print(int.from_bytes(b"1", "little"))
 print(int.from_bytes(b"12", "little"))
+print(int.from_bytes(b"2\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", "little"))
 micropython.heap_unlock()
diff --git a/tests/micropython/heapalloc_int_from_bytes.py.exp b/tests/micropython/heapalloc_int_from_bytes.py.exp
index 7ceb19a38..5ac6a573f 100644
--- a/tests/micropython/heapalloc_int_from_bytes.py.exp
+++ b/tests/micropython/heapalloc_int_from_bytes.py.exp
@@ -1,2 +1,3 @@
 49
 12849
+50