diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/I18nHelper.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/I18nHelper.java
index fdf2c9c4b..12e36f5d0 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/I18nHelper.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/I18nHelper.java
@@ -70,6 +70,7 @@ public class I18nHelper {
         if (execution != null) {
             Charsets.setPreferredLocale((HttpSession) execution.getSession()
                     .getNativeSession(), getUserLocale());
+            Locales.setThreadLocal(getUserLocale());
         }
     }