diff --git a/source/engine/grammar.ne b/source/engine/grammar.ne
index 025a3a6c9..27121c7fc 100644
--- a/source/engine/grammar.ne
+++ b/source/engine/grammar.ne
@@ -13,12 +13,12 @@ const moo = require("moo");
 const letter = '[a-zA-Z\u00C0-\u017F]';
 const letterOrNumber = '[a-zA-Z\u00C0-\u017F0-9\']';
 const word = `${letter}(?:[\-']?${letterOrNumber}+)*`;
-const numberRegExp = '-?(?:[1-9][0-9]+|[0-9])(?:\.[0-9]+)?';
+const wordOrNumber = `(?:${word}|${letterOrNumber}+)`
+const words = `${word}(?:[\\s]?${wordOrNumber}+)*`
+const numberRegExp = '-?(?:[1-9][0-9]+|[0-9])(?:\\.[0-9]+)?';
 const percentageRegExp = numberRegExp + '\\%'
-
 const lexer = moo.compile({
   percentage: new RegExp(percentageRegExp),
-  number: new RegExp(numberRegExp),
   '(': '(',
   ')': ')',
   '[': '[',
@@ -26,7 +26,8 @@ const lexer = moo.compile({
   comparison: ['>','<','>=','<=','=','!='],
   additionSubstraction: /[\+-]/,
   multiplicationDivision: ['*','/'],
-  word: new RegExp(word),
+  words: new RegExp(words),
+  number: new RegExp(numberRegExp),
   string: /'[ \t\.'a-zA-Z\-\u00C0-\u017F0-9 ]+'/,
   '€': '€',
   dot: ' . ',
@@ -67,17 +68,15 @@ NonNumericTerminal ->
 	  boolean  {% id %}
 	| string   {% id %}
 
-Words -> %word (%space (%word {% id %} | %letterOrNumber {% id %}) {% join %}):* {% flattenJoin %}
-
-Variable -> Words (%dot Words {% ([,words]) => words %}):* {% variable %}
+Variable -> %words (%dot %words {% ([,words]) => words %}):* {% variable %}
 
 BaseUnit ->
-  %word {% id %}
+  %words {% id %}
   | "€" {% id %}
 
 Unit -> BaseUnit ("/" BaseUnit {% join %}):? {% join %}
 
-Filter -> "[" Words "]" {% ([,filter]) => filter %}
+Filter -> "[" %words "]" {% ([,filter]) => filter %}
 FilteredVariable -> Variable %space Filter {% filteredVariable %}
 
 TemporalTransform -> "[" ("mensuel" | "annuel" {% id %}) "]" {% ([,temporality]) => temporality %}
diff --git a/source/règles/base.yaml b/source/règles/base.yaml
index f6df1523d..832a9bac8 100644
--- a/source/règles/base.yaml
+++ b/source/règles/base.yaml
@@ -1114,7 +1114,7 @@ contrat salarié . SMIC temps plein . net imposable:
   période: mois
   unité: €
   description: Montant du SMIC net imposable
-  formule: 1247,55
+  formule: 1247.55
   note: Ce montant est codé en dur, il faudrait le calculer à partir du montant du SMIC brut
   références:
     barème PAS: https://bofip.impots.gouv.fr/bofip/11255-PGP.html
@@ -2310,7 +2310,7 @@ contrat salarié . chômage . taux salarié:
   formule: 0%
 
 contrat salarié . chômage . taux employeur: 
-  formule: 4.05 %
+  formule: 4.05%
   
 
 contrat salarié . complémentaire santé: