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-rw-r--r--pkgs/tools/networking/dhcpcd/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/tools/networking/dhcpcd/default.nix b/pkgs/tools/networking/dhcpcd/default.nix
index fe683c382853..758e3fd79805 100644
--- a/pkgs/tools/networking/dhcpcd/default.nix
+++ b/pkgs/tools/networking/dhcpcd/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   installFlags = "DBDIR=\${TMPDIR}/db SYSCONFDIR=$(out)/etc";
 
   # Check that the udev plugin got built.
-  postInstall = "[ -e $out/lib/dhcpcd/dev/udev.so ]";
+  postInstall = stdenv.lib.optional (udev != null) "[ -e $out/lib/dhcpcd/dev/udev.so ]";
 
   meta = {
     description = "A client for the Dynamic Host Configuration Protocol (DHCP)";