diff --git a/atom/browser/javascript_environment.cc b/atom/browser/javascript_environment.cc
index f8dd71f471e..887c59353ae 100644
--- a/atom/browser/javascript_environment.cc
+++ b/atom/browser/javascript_environment.cc
@@ -4,10 +4,13 @@
 
 #include "atom/browser/javascript_environment.h"
 
+#include "gin/array_buffer.h"
+
 namespace atom {
 
 JavascriptEnvironment::JavascriptEnvironment()
-    : isolate_(isolate_holder_.isolate()),
+    : initialized_(Initialize()),
+      isolate_(isolate_holder_.isolate()),
       isolate_scope_(isolate_),
       locker_(isolate_),
       handle_scope_(isolate_),
@@ -15,4 +18,11 @@ JavascriptEnvironment::JavascriptEnvironment()
       context_scope_(v8::Local<v8::Context>::New(isolate_, context_)) {
 }
 
+bool JavascriptEnvironment::Initialize() {
+  gin::IsolateHolder::LoadV8Snapshot();
+  gin::IsolateHolder::Initialize(gin::IsolateHolder::kNonStrictMode,
+                                 gin::ArrayBufferAllocator::SharedInstance());
+  return true;
+}
+
 }  // namespace atom
diff --git a/atom/browser/javascript_environment.h b/atom/browser/javascript_environment.h
index 8baec7e3681..20f1667c3b8 100644
--- a/atom/browser/javascript_environment.h
+++ b/atom/browser/javascript_environment.h
@@ -20,6 +20,9 @@ class JavascriptEnvironment {
   }
 
  private:
+  bool Initialize();
+
+  bool initialized_;
   gin::IsolateHolder isolate_holder_;
   v8::Isolate* isolate_;
   v8::Isolate::Scope isolate_scope_;