diff --git a/source/engine/mecanisms.js b/source/engine/mecanisms.js
index 6a82194d7..d58d6f5b2 100644
--- a/source/engine/mecanisms.js
+++ b/source/engine/mecanisms.js
@@ -136,28 +136,28 @@ export let mecanismNumericalLogic = (recurse, k,v) => {
 			conditionNode = recurse(condition), // can be a 'comparison', a 'variable', TODO a 'negation'
 			consequenceNode = mecanismNumericalLogic(recurse, condition, consequence)
 
-			let evaluate = (situationGate, parsedRules, node) => {
-				let collectMissing = node => {
-					let leftMissing = collectNodeMissing(node.explanation.condition),
-						investigate = node.explanation.condition.nodeValue == true,
-						rightMissing = investigate ? collectNodeMissing(node.explanation.consequence) : []
-					return R.concat(leftMissing, rightMissing)
-				}
-
-				let explanation = R.evolve({
-					condition: R.curry(evaluateNode)(situationGate, parsedRules),
-					consequence: R.curry(evaluateNode)(situationGate, parsedRules)
-				},node.explanation)
-
-				return {
-					...node,
-					collectMissing,
-					explanation,
-					nodeValue: explanation.consequence.nodeValue,
-					condValue: explanation.condition.nodeValue
-				}
+		let evaluate = (situationGate, parsedRules, node) => {
+			let collectMissing = node => {
+				let missingOnTheLeft = collectNodeMissing(node.explanation.condition),
+					investigate = node.explanation.condition.nodeValue !== false,
+					missingOnTheRight = investigate ? collectNodeMissing(node.explanation.consequence) : []
+				return R.concat(missingOnTheLeft, missingOnTheRight)
 			}
 
+			let explanation = R.evolve({
+				condition: R.curry(evaluateNode)(situationGate, parsedRules),
+				consequence: R.curry(evaluateNode)(situationGate, parsedRules)
+			},node.explanation)
+
+			return {
+				...node,
+				collectMissing,
+				explanation,
+				nodeValue: explanation.consequence.nodeValue,
+				condValue: explanation.condition.nodeValue
+			}
+		}
+
 		let jsx = (nodeValue, {condition, consequence}) =>
 			<div className="condition">
 					{makeJsx(condition)}
diff --git a/test/generateQuestions.test.js b/test/generateQuestions.test.js
index 655c673de..bf1d0b4cd 100644
--- a/test/generateQuestions.test.js
+++ b/test/generateQuestions.test.js
@@ -109,6 +109,32 @@ describe('collectMissingVariables', function() {
     expect(result).to.deep.equal({})
   });
 
+  it('should report missing variables in consequence even if its condition is unresolved', function() {
+  let rawRules = [
+    { nom: "startHere", formule: { somme: ["logic"] }, espace: "top" },
+    { nom: "logic",
+      formule: {
+        "logique numérique": {
+          "10 > 11": "1000%",
+          "3 > dix": {
+            "douze": "560%",
+            "1 > 2": "75015%" }
+        }
+      },
+      espace: "top"
+    },
+    { nom: "douze", espace: "top" },
+    { nom: "dix", espace: "top" }
+  ],
+  rules = rawRules.map(enrichRule),
+  situation = analyseTopDown(rules, "startHere")(stateSelector),
+  result = collectMissingVariables()(stateSelector, situation);
+
+
+  expect(result).to.have.property('top . dix')
+  expect(result).to.have.property('top . douze')
+  });
+
   it('should not report missing variables when a switch short-circuits', function() {
     let rawRules = [
           { nom: "startHere", formule: {somme: ["logic"]}, espace: "top"},
@@ -155,8 +181,8 @@ describe('buildNextSteps', function() {
     expect(R.path(["question","props","label"])(result[1])).to.equal("Quel est le motif de recours au CDD ?")
     expect(R.path(["question","props","label"])(result[2])).to.equal("Quel est le salaire brut ?")
     expect(R.path(["question","props","label"])(result[3])).to.equal("Est-ce un contrat jeune vacances ?")
-    expect(R.path(["question","props","label"])(result[4])).to.equal("Combien de jours de congés ne seront pas pris ?")
-    expect(R.path(["question","props","label"])(result[5])).to.equal("Quelle est la durée du contrat ?")
+    expect(R.path(["question","props","label"])(result[4])).to.equal("Quelle est la durée du contrat ?")
+    expect(R.path(["question","props","label"])(result[5])).to.equal("Combien de jours de congés ne seront pas pris ?")
   });
 
 });