diff --git a/pkgs/os-specific/linux/nvidia-x11/builder.sh b/pkgs/os-specific/linux/nvidia-x11/builder.sh
index c0ebb768eea9a4..56012aafea9c26 100755
--- a/pkgs/os-specific/linux/nvidia-x11/builder.sh
+++ b/pkgs/os-specific/linux/nvidia-x11/builder.sh
@@ -74,7 +74,9 @@ installPhase() {
     if [ -n "$bin" ]; then
         # Install the X drivers.
         mkdir -p $bin/lib/xorg/modules
-        cp -p libnvidia-wfb.* $bin/lib/xorg/modules/
+        if [ -f libnvidia-wfb.so ]; then
+            cp -p libnvidia-wfb.* $bin/lib/xorg/modules/
+        fi
         mkdir -p $bin/lib/xorg/modules/drivers
         cp -p nvidia_drv.so $bin/lib/xorg/modules/drivers
         mkdir -p $bin/lib/xorg/modules/extensions
diff --git a/pkgs/os-specific/linux/nvidia-x11/default.nix b/pkgs/os-specific/linux/nvidia-x11/default.nix
index d76a1452455f38..de6b5240436f71 100644
--- a/pkgs/os-specific/linux/nvidia-x11/default.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/default.nix
@@ -16,16 +16,16 @@ let
 in
 rec {
   # Policy: use the highest stable version as the default (on our master).
-  stable = if stdenv.hostPlatform.system == "x86_64-linux" then stable_415 else legacy_390;
+  stable = if stdenv.hostPlatform.system == "x86_64-linux" then stable_418 else legacy_390;
 
   # No active beta right now
   beta = stable;
 
-  stable_415 = generic {
-    version = "415.27";
-    sha256_64bit = "12ylf1h1wpgkd0g7r30c33hhhialn315k5sbxyzks0rm42k7cay8";
-    settingsSha256 = "0m8hfxb6fhanqlkkk4ayn1blgdsvnn0ipxdl19ifdl200ln6j053";
-    persistencedSha256 = "0i6ik6xv6rnwcd6vg5xrxcd9g7nzca3vkiy2srbv0simw86nwgdz";
+  stable_418 = generic {
+    version = "418.56";
+    sha256_64bit = "1cg7927g5ml1rwgpydlrjzr55gza5dfkqkch29bbarpzd7dh0mf4";
+    settingsSha256 = "1dai4dh6g3arkgicbjwhfr948i1xc13a7s0xcgalan0pn5zd56z6";
+    persistencedSha256 = "1r13jjpqg9ri5mw633k01dq2ivblc8nrbsnh7709v1xibaydwnhn";
   };
 
   # Last one supporting x86