diff --git a/src/context/unshare.rs b/src/context/unshare.rs
index 1db54c2..6909d0a 100644
--- a/src/context/unshare.rs
+++ b/src/context/unshare.rs
@@ -170,8 +170,7 @@ impl UnshareDriver {
 
         cmd.envs(env.iter().cloned());
 
-        cmd.arg("--mount-proc")
-            .arg("--map-user=65536")
+        cmd.arg("--map-user=65536")
             .arg("--map-group=65536")
             .arg("--pid")
             .arg("--ipc")