diff --git a/Cargo.lock b/Cargo.lock
index 23228f04..a0e6d02c 100644
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diff --git a/Cargo.toml b/Cargo.toml
index 493e028d..fe136ccc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,7 @@ untrusted = "0.7"
 spin = { version = "0.5", default-features=false }
 libc = "0.2"
 json = "0.12"
+users = "0.11"
 
 [target.'cfg(not(target_arch="arm"))'.dependencies]
 ring = "0.16"
diff --git a/src/device/drop_privileges.rs b/src/device/drop_privileges.rs
index b454d528..8640da31 100644
--- a/src/device/drop_privileges.rs
+++ b/src/device/drop_privileges.rs
@@ -3,6 +3,7 @@
 
 use crate::device::errno_str;
 use crate::device::Error;
+use users;
 use libc::*;
 
 pub fn get_saved_ids() -> Result<(uid_t, gid_t), Error> {
@@ -24,15 +25,27 @@ pub fn get_saved_ids() -> Result<(uid_t, gid_t), Error> {
     Ok((saved_uid, saved_gid))
 }
 
-pub fn drop_privileges() -> Result<(), Error> {
-    let (saved_uid, saved_gid) = get_saved_ids()?;
+pub fn drop_privileges(username: Option<&str>) -> Result<(), Error> {
 
-    if -1 == unsafe { setgid(saved_gid) } {
+    let (uid, gid) = match username {
+        Some(name) => {
+            let user = match users::get_user_by_name(name) {
+                Some(user) => user,
+                None => return Err(Error::DropPrivileges("unknown user supplied to --user".to_owned())),
+            };
+            (user.uid(), user.primary_group_id())
+
+        },
+        None => get_saved_ids()?,
+    };
+
+
+    if -1 == unsafe { setgid(gid) } {
         // Set real and effective group ID
         return Err(Error::DropPrivileges(errno_str()));
     }
 
-    if -1 == unsafe { setuid(saved_uid) } {
+    if -1 == unsafe { setuid(uid) } {
         // Set  real and effective user ID
         return Err(Error::DropPrivileges(errno_str()));
     }
diff --git a/src/main.rs b/src/main.rs
index 48f08815..ed82691a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -111,6 +111,11 @@ fn main() {
                 .long("disable-drop-privileges")
                 .env("WG_SUDO")
                 .help("Do not drop sudo privileges"),
+            Arg::with_name("user")
+                .takes_value(true)
+                .long("user")
+                .env("WG_USER")
+                .help("Drop root privileges to this user"),
             Arg::with_name("disable-connected-udp")
                 .long("disable-connected-udp")
                 .help("Disable connected UDP sockets to each peer"),
@@ -128,6 +133,7 @@ fn main() {
     let peer_auth = matches.value_of("peer-auth").unwrap_or_default();
     let listen_port: u16 = matches.value_of("listen-port").unwrap_or_default().parse().unwrap_or_default();
     let init_pkey = matches.value_of("private-key").unwrap_or_default();
+    let perm_down_user = matches.value_of("user");
     let init_address = matches.value_of("address").unwrap_or_default();
     let init_mtu = matches.value_of("mtu").unwrap_or_default();
 
@@ -143,7 +149,7 @@ fn main() {
             },
         };
     }
-    
+
     // Create a socketpair to communicate between forked processes
     let (sock1, sock2) = UnixDatagram::pair().unwrap();
     let _ = sock1.set_nonblocking(true);
@@ -201,7 +207,7 @@ fn main() {
     };
 
     if !matches.is_present("disable-drop-privileges") {
-        if let Err(e) = drop_privileges() {
+        if let Err(e) = drop_privileges(perm_down_user) {
             eprintln!("Failed to drop privileges: {:?}", e);
             sock1.send(&[0]).unwrap();
             exit(1);