diff --git a/source/components/CDDIntro.js b/source/components/CDDIntro.js
index 9f9b3261e..168b9b9e4 100644
--- a/source/components/CDDIntro.js
+++ b/source/components/CDDIntro.js
@@ -19,10 +19,10 @@ export default () => (
       <p>
         Ce simulateur calcule pour vous les 4 éléments de ce surcoût :
         <ul>
-          <li>l'indemnité de fin de contrat</li>
-          <li>le CIF</li>
-          <li>la majoration chômage</li>
-          <li>l'indemnité compensatrice de congés payés</li>
+          <li key="1">l'indemnité de fin de contrat</li>
+          <li key="2">le CIF</li>
+          <li key="3">la majoration chômage</li>
+          <li key="4">l'indemnité compensatrice de congés payés</li>
         </ul>
       </p>
       <p>Par simplification, ces éléments sont tous calculés par mois de contrat.</p>
diff --git a/source/components/Rule.js b/source/components/Rule.js
index 24f2b5da9..4496f757d 100644
--- a/source/components/Rule.js
+++ b/source/components/Rule.js
@@ -1,12 +1,10 @@
 import React, { Component } from 'react'
 // import {findRuleByName} from '../engine/rules.js'
-import {analyseSituation} from '../engine/traverse'
 import './Rule.css'
 import JSONTree from 'react-json-tree'
 import R from 'ramda'
 import PageTypeIcon from './PageTypeIcon'
 import {connect} from 'react-redux'
-import {formValueSelector} from 'redux-form'
 import mockSituation from '../engine/mockSituation.yaml'
 import {START_CONVERSATION} from '../actions'
 import classNames from 'classnames'
diff --git a/source/engine/traverse.js b/source/engine/traverse.js
index 79bc88800..202b34246 100644
--- a/source/engine/traverse.js
+++ b/source/engine/traverse.js
@@ -78,6 +78,7 @@ let fillVariableNode = (rule, situationGate) => (parseResult) => {
 		category: 'variable',
 		fragments: fragments,
 		variableName,
+		name: variableName,
 		type: 'boolean | numeric',
 		explanation: parsedRule,
 		missingVariables: (variableIsRule || known) ? [] : [variableName],
@@ -90,7 +91,6 @@ let fillVariableNode = (rule, situationGate) => (parseResult) => {
 }
 
 let treat = (situationGate, rule) => rawNode => {
-// console.log('rawNode', rawNode)
 	let reTreat = treat(situationGate, rule)
 
 	if (R.is(String)(rawNode)) {
@@ -253,7 +253,7 @@ let treat = (situationGate, rule) => rawNode => {
 				value={result.nodeValue}
 				child={
 					<ul>
-						{result.explanation.map(item => <li>{item.jsx}</li>)}
+						{result.explanation.map(item => <li key={item.name}>{item.jsx}</li>)}
 					</ul>
 				}
 			/>
@@ -353,7 +353,7 @@ let treat = (situationGate, rule) => rawNode => {
 						value={node.nodeValue}
 						child={
 							<ul>
-								{node.explanation.map(item => <li>{item.jsx}</li>)}
+								{node.explanation.map(item => <li key={item.name}>{item.jsx}</li>)}
 							</ul>
 						}
 					/>
@@ -450,17 +450,17 @@ let treat = (situationGate, rule) => rawNode => {
 				value={nodeValue}
 				child={
 					<ul>
-						<li>
+						<li key="base">
 							<span className="key">assiette: </span>
 							<span className="value">{base.jsx}</span>
 						</li>
 						{rate.nodeValue != 1 &&
-						<li>
+						<li key="rate">
 							<span className="key">taux: </span>
 							<span className="value">{rate.jsx}</span>
 						</li>}
 						{facteur.nodeValue != 1 &&
-						<li>
+						<li key="factor">
 							<span className="key">facteur: </span>
 							<span className="value">{facteur.jsx}</span>
 						</li>}
@@ -490,7 +490,7 @@ let treat = (situationGate, rule) => rawNode => {
 				child={
 					<ul>
 					{contenders.map((item, i) =>
-						<li>
+						<li key={i}>
 							<div className="description">{v[i].description}</div>
 							{item.jsx}
 						</li>
@@ -599,7 +599,8 @@ let treatRuleRoot = (situationGate, rule) => R.pipe(
 - do they need variables that are not present in the user situation ?
 - if not, do they have a computed value or are they non applicable ?
 */
-export let analyseSituation = situationGate =>
+export let analyseSituation = situationGate => 	console.log('analyseSituation' + Math.random()) ||
+
 	//TODO l'objectif devrait être spécifié par la page qui lance un simulateur
 	treatRuleRoot(
 		situationGate,
diff --git a/source/reducers.js b/source/reducers.js
index 61b901255..1c5d637fb 100644
--- a/source/reducers.js
+++ b/source/reducers.js
@@ -45,10 +45,14 @@ function pointedOutObjectives(state=[], {type, objectives}) {
 
 let handleSteps = (state, action) => {
 
+	if (![START_CONVERSATION, STEP_ACTION].includes(action.type))
+		return state
+
 	let returnObject = {
 		...state,
 		analysedSituation: analyse(state)
 	}
+
 	if (action.type == START_CONVERSATION) {
 		return {
 			...returnObject,
@@ -68,14 +72,12 @@ let handleSteps = (state, action) => {
 					R.splitWhen(stepFinder),
 					R.head
 			)(state.foldedSteps)
-			console.log('foldedSteps', foldedSteps)
 		return {
 			...returnObject,
 			foldedSteps,
 			unfoldedSteps: [R.find(stepFinder)(state.foldedSteps)]
 		}
 	}
-	return state
 }
 
 let analyse = R.pipe(