diff --git a/atom/renderer/atom_sandboxed_renderer_client.cc b/atom/renderer/atom_sandboxed_renderer_client.cc
index 2768f072cd6e..aa4780fa15b8 100644
--- a/atom/renderer/atom_sandboxed_renderer_client.cc
+++ b/atom/renderer/atom_sandboxed_renderer_client.cc
@@ -80,6 +80,10 @@ v8::Local<v8::Value> GetBinding(v8::Isolate* isolate, v8::Local<v8::String> key,
   return exports;
 }
 
+base::CommandLine::StringVector GetArgv() {
+  return base::CommandLine::ForCurrentProcess()->argv();
+}
+
 void InitializeBindings(v8::Local<v8::Object> binding,
                         v8::Local<v8::Context> context) {
   auto isolate = context->GetIsolate();
@@ -87,6 +91,7 @@ void InitializeBindings(v8::Local<v8::Object> binding,
   b.SetMethod("get", GetBinding);
   b.SetMethod("crash", AtomBindings::Crash);
   b.SetMethod("hang", AtomBindings::Hang);
+  b.SetMethod("getArgv", GetArgv);
   b.SetMethod("getProcessMemoryInfo", &AtomBindings::GetProcessMemoryInfo);
   b.SetMethod("getSystemMemoryInfo", &AtomBindings::GetSystemMemoryInfo);
 }
diff --git a/lib/sandboxed_renderer/init.js b/lib/sandboxed_renderer/init.js
index 1aec0bc0bfd2..119391e79462 100644
--- a/lib/sandboxed_renderer/init.js
+++ b/lib/sandboxed_renderer/init.js
@@ -41,6 +41,7 @@ preloadProcess.crash = () => binding.crash()
 preloadProcess.hang = () => binding.hang()
 preloadProcess.getProcessMemoryInfo = () => binding.getProcessMemoryInfo()
 preloadProcess.getSystemMemoryInfo = () => binding.getSystemMemoryInfo()
+preloadProcess.argv = binding.getArgv()
 process.platform = preloadProcess.platform = electron.remote.process.platform
 process.execPath = preloadProcess.execPath = electron.remote.process.execPath
 process.on('exit', () => preloadProcess.emit('exit'))
diff --git a/spec/api-browser-window-spec.js b/spec/api-browser-window-spec.js
index 927363150508..ab40331225a3 100644
--- a/spec/api-browser-window-spec.js
+++ b/spec/api-browser-window-spec.js
@@ -1286,7 +1286,7 @@ describe('BrowserWindow module', function () {
         })
       })
 
-      it('enable-mixed-sandbox', (done) => {
+      it('adds --enable-sandbox to render processes created with sandbox: true', (done) => {
         this.timeout(120000)
 
         let state = 'none'