diff --git a/hosts/common/programs/assorted.nix b/hosts/common/programs/assorted.nix
index e9056dd3..0dc5dafb 100644
--- a/hosts/common/programs/assorted.nix
+++ b/hosts/common/programs/assorted.nix
@@ -524,6 +524,12 @@ in
       "/sys/kernel"
     ];
 
+    pstree.sandbox.method = "landlock";
+    pstree.sandbox.wrapperType = "wrappedDerivation";
+    pstree.sandbox.extraPaths = [
+      "/proc"
+    ];
+
     pwvucontrol.sandbox.method = "bwrap";
     pwvucontrol.sandbox.wrapperType = "wrappedDerivation";
     pwvucontrol.sandbox.whitelistAudio = true;