diff --git a/nixos/modules/installer/tools/nixos-generate-config.pl b/nixos/modules/installer/tools/nixos-generate-config.pl
index b6bc04584770..67ba79560227 100644
--- a/nixos/modules/installer/tools/nixos-generate-config.pl
+++ b/nixos/modules/installer/tools/nixos-generate-config.pl
@@ -256,7 +256,7 @@ foreach my $fs (read_file("/proc/self/mountinfo")) {
     $mountPoint = "/" if $mountPoint eq "";
 
     # Skip special filesystems.
-    next if in($mountPoint, "/proc") || in($mountPoint, "/dev") || in($mountPoint, "/sys") || in($mountPoint, "/run");
+    next if in($mountPoint, "/proc") || in($mountPoint, "/dev") || in($mountPoint, "/sys") || in($mountPoint, "/run") || $mountPoint eq "/var/lib/nfs/rpc_pipefs";
 
     # Skip the optional fields.
     my $n = 6; $n++ while $fields[$n] ne "-"; $n++;