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-rw-r--r--lib/child_process_uv.js3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/child_process_uv.js b/lib/child_process_uv.js
index da712a4d31..f2a1a7fdd1 100644
--- a/lib/child_process_uv.js
+++ b/lib/child_process_uv.js
@@ -140,7 +140,8 @@ exports.fork = function(modulePath, args, options) {
// Just need to set this - child process won't actually use the fd.
// For backwards compat - this can be changed to 'NODE_CHANNEL' before v0.6.
- options.env = { NODE_CHANNEL_FD: 42 };
+ if (!options.env) options.env = { };
+ options.env.NODE_CHANNEL_FD = 42;
// stdin is the IPC channel.
options.stdinStream = createPipe(true);