diff --git a/lib/child_process.js b/lib/child_process.js
index a37d2f2d412..6a6c61cf248 100644
--- a/lib/child_process.js
+++ b/lib/child_process.js
@@ -1264,6 +1264,7 @@ function spawnSync(/*file, args, options*/) {
 
   options.file = opts.file;
   options.args = opts.args;
+  options.envPairs = opts.envPairs;
 
   if (options.killSignal)
     options.killSignal = lookupSignal(options.killSignal);
diff --git a/src/spawn_sync.cc b/src/spawn_sync.cc
index 647ce850207..bb5c606afce 100644
--- a/src/spawn_sync.cc
+++ b/src/spawn_sync.cc
@@ -736,9 +736,9 @@ int SyncProcessRunner::ParseOptions(Local<Value> js_value) {
     r = CopyJsStringArray(js_env_pairs, &env_buffer_);
     if (r < 0)
       return r;
-    uv_process_options_.args = reinterpret_cast<char**>(env_buffer_);
-  }
 
+    uv_process_options_.env = reinterpret_cast<char**>(env_buffer_);
+  }
   Local<Value> js_uid = js_options->Get(env()->uid_string());
   if (IsSet(js_uid)) {
     if (!CheckRange<uv_uid_t>(js_uid))