diff --git a/src/main/kotlin/main/parser.kt b/src/main/kotlin/main/parser.kt
index 34632d2..1edbf6a 100644
--- a/src/main/kotlin/main/parser.kt
+++ b/src/main/kotlin/main/parser.kt
@@ -54,7 +54,7 @@ fun parserJS(fileName : String) : MutableMap<String, Int> {
     val regex = "[^a-zA-Z^éà]".toRegex()
     val array = mutableListOf<String>()
 
-    val line = delStrings(takeOnlyJs(fileName)).replace(regex, " ").lowercase()
+    val line = delStrings(takeOnlyJs(fileName)).replace(regex, " ")
     line.split(delimiter1).forEach {
 
         if (it != "") {
@@ -62,8 +62,9 @@ fun parserJS(fileName : String) : MutableMap<String, Int> {
         }
     }
     val map = jsWords(array.groupingBy { it }.eachCount())
+    val lowerMap = map.mapKeys { it.key.lowercase() }
 
-    var sortedMap = map.toList().take(10).sortedBy { (_, value) -> value }.toMap()
+    var sortedMap = lowerMap.toList().take(10).sortedBy { (_, value) -> value }.toMap()
     sortedMap.forEach { (t, u) -> println("$t : $u") } // affiche le nombre d'occurence de chaque mot
     sortedMap = sortedMap.toMutableMap()
     return sortedMap
@@ -106,5 +107,6 @@ fun directoryParse(directory : String) : MutableMap<String, Int> {
         }
 
     }
-    return map
+    val lowerMap = map.mapKeys { it.key.lowercase() }
+    return lowerMap.toMutableMap()
 }