diff --git a/misc/systemd/nix-daemon.service.in b/misc/systemd/nix-daemon.service.in
index 4b4474475..45fbea02c 100644
--- a/misc/systemd/nix-daemon.service.in
+++ b/misc/systemd/nix-daemon.service.in
@@ -10,7 +10,7 @@ ConditionPathIsReadWrite=@localstatedir@/nix/daemon-socket
 ExecStart=@@bindir@/nix-daemon nix-daemon --daemon
 KillMode=process
 LimitNOFILE=1048576
-TasksMax=infinity
+TasksMax=1048576
 
 [Install]
 WantedBy=multi-user.target