diff --git a/.bashrc b/.bashrc
index 1225ee0..74d5710 100644
--- a/.bashrc
+++ b/.bashrc
@@ -73,7 +73,10 @@ alias grep='grep --color=auto'
 alias lsblk='lsblk -o NAME,FSTYPE,SIZE,TYPE,MOUNTPOINT'
 
 # Always use sudo when using systemctl. Pairs well with passwordless sudo for systemctl.
-alias systemctl='sudo --preserve-env systemctl'
+alias systemctl='sudo -E systemctl'
+
+# Always use sudo when using nmap.
+alias nmap='sudo -E nmap'
 
 # I'm tired of managing weechat configs and multiple nicks
 # Client depends: ssh, mosh, correct ssh host configuration