diff --git a/bin/brew b/bin/brew
index 7270aec83b..590d6c21b8 100755
--- a/bin/brew
+++ b/bin/brew
@@ -67,7 +67,7 @@ then
   FILTERED_ENV=()
   # Filter all but the specific variables.
   for VAR in HOME SHELL PATH TERM LOGNAME USER CI TRAVIS SSH_AUTH_SOCK SUDO_ASKPASS \
-             http_proxy https_proxy ftp_proxy HTTPS_PROXY FTP_PROXY \
+             http_proxy https_proxy ftp_proxy no_proxy HTTPS_PROXY FTP_PROXY \
              "${!HOMEBREW_@}" "${!TRAVIS_@}" "${!JENKINS_@}"
   do
     # Skip if variable value is empty.