diff --git a/tool/net/help.txt b/tool/net/help.txt
index ab017578b..f4842a9ba 100644
--- a/tool/net/help.txt
+++ b/tool/net/help.txt
@@ -2985,7 +2985,7 @@ UNIX MODULE
                  else
                     break
                  end
-              elseif err:errno() ~= EINTR then
+              elseif err:errno() ~= unix.EINTR then
                  Log(kLogWarn, tostring(err))
                  break
               end