diff --git a/test/common.js b/test/common.js
index 622b0a3985..17bfdc071c 100644
--- a/test/common.js
+++ b/test/common.js
@@ -37,6 +37,8 @@ if (process.platform === 'win32') {
 } else {
   exports.PIPE = exports.tmpDir + '/test.sock';
 }
+if (process.env.NODE_COMMON_PIPE)
+  exports.PIPE = process.env.NODE_COMMON_PIPE;
 if (!fs.existsSync(exports.opensslCli))
   exports.opensslCli = false;