diff --git a/test/v8-updates/test-postmortem-metadata.js b/test/v8-updates/test-postmortem-metadata.js
index a67e218c03e8af..bbe74c7d6fd0a1 100644
--- a/test/v8-updates/test-postmortem-metadata.js
+++ b/test/v8-updates/test-postmortem-metadata.js
@@ -69,10 +69,10 @@ function getExpectedSymbols() {
     'v8dbg_class_HeapObject__map__Map',
     'v8dbg_class_JSArray__length__Object',
     'v8dbg_class_JSArrayBuffer__backing_store__Object',
-    'v8dbg_class_JSArrayBuffer__byte_length__Object',
+    'v8dbg_class_JSArrayBuffer__byte_length__size_t',
     'v8dbg_class_JSArrayBufferView__buffer__Object',
-    'v8dbg_class_JSArrayBufferView__raw_byte_length__Object',
-    'v8dbg_class_JSArrayBufferView__raw_byte_offset__Object',
+    'v8dbg_class_JSArrayBufferView__byte_length__size_t',
+    'v8dbg_class_JSArrayBufferView__byte_offset__size_t',
     'v8dbg_class_JSDate__value__Object',
     'v8dbg_class_JSFunction__context__Context',
     'v8dbg_class_JSFunction__shared__SharedFunctionInfo',
@@ -103,7 +103,7 @@ function getExpectedSymbols() {
     'v8dbg_class_UncompiledData__start_position__int32_t',
     'v8dbg_class_SlicedString__offset__SMI',
     'v8dbg_class_SlicedString__parent__String',
-    'v8dbg_class_String__length__SMI',
+    'v8dbg_class_String__length__int32_t',
     'v8dbg_class_ThinString__actual__String',
     'v8dbg_context_idx_scope_info',
     'v8dbg_context_idx_prev',