diff --git a/npm/examples/extract.tcl b/npm/examples/extract.tcl
index 642cb715..4bf45c25 100644
--- a/npm/examples/extract.tcl
+++ b/npm/examples/extract.tcl
@@ -14,13 +14,14 @@ load /work/__CELL__
 
 # Write all intermediate files to /work/ so ext2spice can find __CELL__.res.ext
 extract path /work
-extract do resistance
 extract all
 
 # extresist requires a valid box cursor; span the full layout to be safe
 select top cell
+extresist all
 ext2spice format ngspice
 ext2spice extresist on
 ext2spice cthresh 0
+ext2spice rthresh 0
 
 ext2spice /work/__CELL__