diff --git a/README.org b/README.org
index 667dc35..97a06e0 100644
--- a/README.org
+++ b/README.org
@@ -1203,7 +1203,7 @@ This reveals the information needed, which is the information about the two disp
 + NVIDIA GP107M :: This is the /mobile/ version of the GTX 1050ti
 
 #+BEGIN_SRC nix :noweb yes :tangle modules/nvidia.nix
-{ config, pkgs, ... }:
+{ lib, config, pkgs, ... }:
 
 let
   myIntelBusId = "PCI:0:2:0";
@@ -1217,6 +1217,9 @@ let
   '';
 
 in {
+  # Blacklist the open source driver.
+  boot.blacklistedKernelModules = [ "nouveau" ];
+  
   # Add the offload script to the $PATH.
   environment.systemPackages = [ myNvidiaOffload ];
 
diff --git a/modules/nvidia.nix b/modules/nvidia.nix
index 01adda6..73d9842 100644
--- a/modules/nvidia.nix
+++ b/modules/nvidia.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ lib, config, pkgs, ... }:
 
 let
   myIntelBusId = "PCI:0:2:0";
@@ -12,6 +12,9 @@ let
   '';
 
 in {
+  # Blacklist the open source driver.
+  boot.blacklistedKernelModules = [ "nouveau" ];
+  
   # Add the offload script to the $PATH.
   environment.systemPackages = [ myNvidiaOffload ];