diff --git a/tools/deployment/developer/02-setup-client.sh b/tools/deployment/developer/02-setup-client.sh
index b71c1b7a..4b2368f1 100755
--- a/tools/deployment/developer/02-setup-client.sh
+++ b/tools/deployment/developer/02-setup-client.sh
@@ -16,7 +16,7 @@
 
 set -xe
 
-sudo -H pip install python-openstackclient python-heatclient
+sudo -H -E pip install python-openstackclient python-heatclient
 
 sudo -H mkdir -p /etc/openstack
 cat << EOF | sudo -H tee -a /etc/openstack/clouds.yaml
diff --git a/tools/gate/funcs/common.sh b/tools/gate/funcs/common.sh
index a0e820e3..b8d00b9b 100644
--- a/tools/gate/funcs/common.sh
+++ b/tools/gate/funcs/common.sh
@@ -62,10 +62,10 @@ function base_install {
       python-pip
   fi
 
-  sudo -H pip install --upgrade pip
-  sudo -H pip install --upgrade setuptools
-  sudo -H pip install pyyaml
-  sudo -H pip install yq
+  sudo -H -E pip install --upgrade pip
+  sudo -H -E pip install --upgrade setuptools
+  sudo -H -E pip install pyyaml
+  sudo -H -E pip install yq
 
   if [ "x$SDN_PLUGIN" == "xlinuxbridge" ]; then
     sdn_lb_support_install