diff --git a/tuxedo/pulse/15/gen2/default.nix b/tuxedo/pulse/15/gen2/default.nix
index cff6964..30457d5 100644
--- a/tuxedo/pulse/15/gen2/default.nix
+++ b/tuxedo/pulse/15/gen2/default.nix
@@ -15,7 +15,7 @@
     ["# Properly suspend the system."]
     ++ (
       map
-      (device: ''SUBSYSTEM=="pci", ACTION=="add", ATTR{vendor}=="0x144d", ATTR{device}=="${device}", RUN+="${pkgs.runtimeShell} -c 'echo 0 > /sys/bus/pci/devices/$kernel/d3cold_allowed'"'')
+      (device: "SUBSYSTEM==\"pci\", ACTION==\"add\", ATTR{vendor}==\"0x144d\", ATTR{device}==\"${device}\", RUN+=\"${pkgs.bash}/bin/sh -c '${pkgs.coreutils}/bin/echo 0 | ${pkgs.coreutils}/bin/tee /sys/bus/pci/devices/$kernel/d3cold_allowed'\"")
       ["0xa80a" "0xa808"]
     )
   );