diff --git a/src/Leaflet/CRS/EPSG2154.js b/src/Leaflet/CRS/EPSG2154.js
index fd2452138..05c12594d 100644
--- a/src/Leaflet/CRS/EPSG2154.js
+++ b/src/Leaflet/CRS/EPSG2154.js
@@ -60,7 +60,7 @@ var EPSG2154 = {
         var resolutions = [];
         // resolutions issues de la configuration
         if (Config.isConfigLoaded()) {
-            var o = Config.configuration.getTMSConf("LAMB93");
+            var o = Config.configuration.getTMSConf("LAMB93_5cm");
             resolutions = o.nativeResolutions;
         }