diff --git a/hunks/statemachines/dex.js b/hunks/statemachines/dex.js
index 8052de76a1014bceed35988ec95b7ff8642504d3..a4bf1cae80ec7257c421c9bf84c855a94e6e56a7 100644
--- a/hunks/statemachines/dex.js
+++ b/hunks/statemachines/dex.js
@@ -47,7 +47,7 @@ export default function DEX() {
   let incrementSize = new State('number', 'increment (um)', byIncrement(5))
   this.states.push(runState, umPerStep, incrementSize)
   // to run,
-  let currentDisplacement = new State('number', 'current stress', false)
+  let currentDisplacement = new State('number', 'current stress', 0)
   this.states.push(currentDisplacement)
 
   runState.onChange = (value) => {