diff --git a/nix/ops/solid/builder.sh b/nix/ops/solid/builder.sh
index 5d8cbc66f4..dc38cd7832 100755
--- a/nix/ops/solid/builder.sh
+++ b/nix/ops/solid/builder.sh
@@ -19,6 +19,7 @@ trap cleanup EXIT
 #
 herb ./pier -p hood -d "+hood/mount /=home="
 
+cp $ARVO/app/lens.hoon ./pier/home/app/
 cp $ARVO/lib/pill.hoon ./pier/home/lib/
 chmod -R u+rw ./pier/home/lib/