diff --git a/misc/launchd/org.nixos.nix-daemon.plist.in b/misc/launchd/org.nixos.nix-daemon.plist.in
index da1970f69..5fa489b20 100644
--- a/misc/launchd/org.nixos.nix-daemon.plist.in
+++ b/misc/launchd/org.nixos.nix-daemon.plist.in
@@ -28,7 +28,7 @@
     <key>SoftResourceLimits</key>
     <dict>
       <key>NumberOfFiles</key>
-      <integer>4096</integer>
+      <integer>1048576</integer>
     </dict>
   </dict>
 </plist>
diff --git a/misc/systemd/nix-daemon.service.in b/misc/systemd/nix-daemon.service.in
index e3ac42beb..f46413630 100644
--- a/misc/systemd/nix-daemon.service.in
+++ b/misc/systemd/nix-daemon.service.in
@@ -9,7 +9,7 @@ ConditionPathIsReadWrite=@localstatedir@/nix/daemon-socket
 [Service]
 ExecStart=@@bindir@/nix-daemon nix-daemon --daemon
 KillMode=process
-LimitNOFILE=4096
+LimitNOFILE=1048576
 
 [Install]
 WantedBy=multi-user.target