diff --git a/flake.lock b/flake.lock
index 87be7cc..a787a22 100644
--- a/flake.lock
+++ b/flake.lock
@@ -276,11 +276,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1727122398,
-        "narHash": "sha256-o8VBeCWHBxGd4kVMceIayf5GApqTavJbTa44Xcg5Rrk=",
+        "lastModified": 1727348695,
+        "narHash": "sha256-J+PeFKSDV+pHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "30439d93eb8b19861ccbe3e581abf97bdc91b093",
+        "rev": "1925c603f17fc89f4c8f6bf6f631a802ad85d784",
         "type": "github"
       },
       "original": {
diff --git a/glasshouse-desktop/modules/zshell.nix b/glasshouse-desktop/modules/zshell.nix
index 89f3653..fa3f7c3 100644
--- a/glasshouse-desktop/modules/zshell.nix
+++ b/glasshouse-desktop/modules/zshell.nix
@@ -71,6 +71,15 @@ else
 	mkdir -p "$comppath"
 fi
 
+preexec() {
+	if [[ ! -f "/tmp/cmdcounter_$(whoami)" ]]; then
+		echo 0 > "/tmp/cmdcounter_$(whoami)"
+	fi
+	cmd_count="$(cat /tmp/cmdcounter_$(whoami))"
+	cmd_count=$((cmd_count + 1))
+	echo "$cmd_count" > /tmp/cmdcounter_$(whoami))"
+}
+
 snd_restart() {
 	echo -n "Restarting wireplumber service... "
 	systemctl --user restart wireplumber; code1=$? && echo "SUCCESS" || echo "FAILED"