diff --git a/package.json b/package.json
index 7e9f35a7b..e4fdd267f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "mon-entreprise",
 	"license": "MIT",
-	"version": "1.2.1",
+	"version": "1.2.2",
 	"description": "Library to compute the french social security contributions. Also a website that explains the calculations, and a generic engine to build cool forms that asks the question needed to compute an objective.",
 	"main": "./dist/engine.js",
 	"files": [
diff --git a/source/engine/index.js b/source/engine/index.js
index 08c62c576..718f059b3 100644
--- a/source/engine/index.js
+++ b/source/engine/index.js
@@ -1,25 +1,20 @@
 // This file exports the functions of the public computing library
 import { safeLoad } from 'js-yaml'
-import {
-	collectDefaults,
-	enrichRule,
-	nestedSituationToPathMap,
-	rulesFr
-} from './rules'
+import { collectDefaults, enrichRule, rulesFr } from './rules'
 import { analyseMany, parseAll } from './traverse.js'
 
 // The public evaluation function takes a nested object of input values
-let nestedSituationToStateSelector = rules => nestedSituation => dottedName =>
+let inputToStateSelector = rules => input => dottedName =>
 	({
 		...collectDefaults(rules),
-		...nestedSituationToPathMap(nestedSituation)
+		...input
 	}[dottedName])
 
 let enrichRules = input =>
 	(typeof input === 'string' ? safeLoad(input) : input).map(enrichRule)
 
 export default {
-	evaluate: (targetInput, nestedSituation, config) => {
+	evaluate: (targetInput, input, config) => {
 		let rules = config
 			? [
 					...(config.base ? enrichRules(config.base) : rulesFr),
@@ -30,7 +25,7 @@ export default {
 		let evaluation = analyseMany(
 			parseAll(rules),
 			Array.isArray(targetInput) ? targetInput : [targetInput]
-		)(nestedSituationToStateSelector(rules)(nestedSituation))
+		)(inputToStateSelector(rules)(input))
 		if (config?.debug) return evaluation
 
 		let values = evaluation.targets.map(t => t.nodeValue)
diff --git a/test/library.test.js b/test/library.test.js
index f931e4c8e..6d8b6cf09 100644
--- a/test/library.test.js
+++ b/test/library.test.js
@@ -7,7 +7,7 @@ describe('library', function() {
 	it('should evaluate one target with no input data', function() {
 		let target = 'contrat salarié . rémunération . net'
 		let value = Lib.evaluate(target, {
-			'contrat salarié': { rémunération: { 'brut de base': 2300 } }
+			'contrat salarié . rémunération . brut de base': 2300
 		})
 		expect(value).to.be.within(1798, 1800)
 	})