diff --git a/updateHostsFile.py b/updateHostsFile.py
index d514c267d..b03daa5a0 100644
--- a/updateHostsFile.py
+++ b/updateHostsFile.py
@@ -389,7 +389,7 @@ def writeOpeningHeader(finalFile):
     writeData(finalFile, '\n')
     writeData(finalFile, '127.0.0.1 localhost\n')
     writeData(finalFile, '127.0.0.1 localhost.localdomain\n')
-    writeData(finalFile, '127.a0.0.1 local\n')
+    writeData(finalFile, '127.0.0.1 local\n')
     writeData(finalFile, '255.255.255.255 broadcasthost\n')
     writeData(finalFile, '::1 localhost\n')
     writeData(finalFile, 'fe80::1%lo0 localhost\n')