diff --git a/nixos.nix b/nixos.nix
index 3fba61f..de7d971 100644
--- a/nixos.nix
+++ b/nixos.nix
@@ -23,6 +23,9 @@ let systemInformation = import ./system/system-information.nix; in
 		# Power efficiency
 		# https://wiki.archlinux.org/title/Power_management#Kernel_parameters
 		"nmi_watchdog=0"
+
+		# https://bbs.archlinux.org/viewtopic.php?id=282614 ?
+		"amd_iommu=off"
 	];
 
 	boot.kernel.sysctl = {