diff --git a/tools/snapshot/snapshot_builder.cc b/tools/snapshot/snapshot_builder.cc
index f97c646dfa17c4..5fe8196beb944a 100644
--- a/tools/snapshot/snapshot_builder.cc
+++ b/tools/snapshot/snapshot_builder.cc
@@ -134,7 +134,7 @@ std::string SnapshotBuilder::Generate(
     FreeEnvironment(env);
     main_instance->Dispose();
     result = FormatBlob(&blob, isolate_data_indexes, env_info);
-    delete[] blob.data;
+    delete blob.data;
   }
 
   per_process::v8_platform.Platform()->UnregisterIsolate(isolate);