diff --git a/lib/VM/Runtime.cpp b/lib/VM/Runtime.cpp
index 9e2ee777c69..d57763d292e 100644
--- a/lib/VM/Runtime.cpp
+++ b/lib/VM/Runtime.cpp
@@ -172,7 +172,7 @@ Runtime::Runtime(StorageProvider *provider, const RuntimeConfig &runtimeConfig)
           runtimeConfig.getCrashMgr(),
           provider),
       jitContext_(runtimeConfig.getEnableJIT(), (1 << 20) * 8, (1 << 20) * 32),
-      hasES6Proxy_(runtimeConfig.getES6Proxy()),
+      hasES6Proxy_(true),
       hasES6Symbol_(runtimeConfig.getES6Symbol()),
       shouldRandomizeMemoryLayout_(runtimeConfig.getRandomizeMemoryLayout()),
       bytecodeWarmupPercent_(runtimeConfig.getBytecodeWarmupPercent()),