1 files changed, 1 insertions, 1 deletions
diff --git a/lib/net.js b/lib/net.js
index 1bc28e856d..41ddda767d 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -1304,7 +1304,7 @@ function createServerHandle(address, port, addressType, fd) {
     handle = new Pipe(PipeConstants.SERVER);
     if (process.platform === 'win32') {
       var instances = parseInt(process.env.NODE_PENDING_PIPE_INSTANCES);
-      if (!isNaN(instances)) {
+      if (!Number.isNaN(instances)) {
         handle.setPendingInstances(instances);
       }
     }