diff --git a/nixos/modules/services/hardware/udev.nix b/nixos/modules/services/hardware/udev.nix
index 068d14217a2..8ee4fb4d561 100644
--- a/nixos/modules/services/hardware/udev.nix
+++ b/nixos/modules/services/hardware/udev.nix
@@ -31,6 +31,7 @@ let
     buildCommand = ''
       mkdir -p $out
       shopt -s nullglob
+      set +o pipefail
 
       # Set a reasonable $PATH for programs called by udev rules.
       echo 'ENV{PATH}="${udevPath}/bin:${udevPath}/sbin"' > $out/00-path.rules
diff --git a/nixos/modules/system/boot/stage-1.nix b/nixos/modules/system/boot/stage-1.nix
index 6b09559876c..74087c0ce63 100644
--- a/nixos/modules/system/boot/stage-1.nix
+++ b/nixos/modules/system/boot/stage-1.nix
@@ -34,6 +34,8 @@ let
       doublePatchelf = pkgs.stdenv.isArm;
     }
     ''
+      set +o pipefail
+
       mkdir -p $out/bin $out/lib
       ln -s $out/bin $out/sbin