diff --git a/node.gyp b/node.gyp
index 59573f912eee7e..2ff5f1f12763eb 100644
--- a/node.gyp
+++ b/node.gyp
@@ -373,6 +373,7 @@
         'src/node_process.cc',
         'src/node_serdes.cc',
         'src/node_stat_watcher.cc',
+        'src/node_symbols.cc',
         'src/node_trace_events.cc',
         'src/node_types.cc',
         'src/node_url.cc',
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index b46ba5badab226..1d324a5c7659b6 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -135,22 +135,4 @@ void SetupBootstrapObject(Environment* env,
 }
 #undef BOOTSTRAP_METHOD
 
-namespace symbols {
-
-void Initialize(Local<Object> target,
-                Local<Value> unused,
-                Local<Context> context,
-                void* priv) {
-  Environment* env = Environment::GetCurrent(context);
-#define V(PropertyName, StringValue)                                        \
-    target->Set(env->context(),                                             \
-               env->PropertyName()->Name(),                                 \
-               env->PropertyName()).FromJust();
-  PER_ISOLATE_SYMBOL_PROPERTIES(V)
-#undef V
-}
-
-}  // namespace symbols
 }  // namespace node
-
-NODE_MODULE_CONTEXT_AWARE_INTERNAL(symbols, node::symbols::Initialize)
diff --git a/src/node_symbols.cc b/src/node_symbols.cc
new file mode 100644
index 00000000000000..36289b9f4148ae
--- /dev/null
+++ b/src/node_symbols.cc
@@ -0,0 +1,29 @@
+#include "env-inl.h"
+#include "node_binding.h"
+
+namespace node {
+
+using v8::Context;
+using v8::Local;
+using v8::Object;
+using v8::Value;
+
+namespace symbols {
+
+static void Initialize(Local<Object> target,
+                       Local<Value> unused,
+                       Local<Context> context,
+                       void* priv) {
+  Environment* env = Environment::GetCurrent(context);
+#define V(PropertyName, StringValue)                                           \
+  target                                                                       \
+      ->Set(env->context(), env->PropertyName()->Name(), env->PropertyName())  \
+      .FromJust();
+  PER_ISOLATE_SYMBOL_PROPERTIES(V)
+#undef V
+}
+
+}  // namespace symbols
+}  // namespace node
+
+NODE_MODULE_CONTEXT_AWARE_INTERNAL(symbols, node::symbols::Initialize)