diff --git a/src/Orchard.Web/Modules/TinyMce/Views/Body-Html.Editor.cshtml b/src/Orchard.Web/Modules/TinyMce/Views/Body-Html.Editor.cshtml
index 3d6cb7811..4118af43e 100644
--- a/src/Orchard.Web/Modules/TinyMce/Views/Body-Html.Editor.cshtml
+++ b/src/Orchard.Web/Modules/TinyMce/Views/Body-Html.Editor.cshtml
@@ -11,15 +11,18 @@
     // Default language for TinyMCE
     var language = "en";
     var currentCulture = WorkContext.CurrentCulture;
-    var customLanguage = currentCulture.Replace('-', '_');
-    if (!language.Equals(customLanguage, StringComparison.OrdinalIgnoreCase)) {
-        var culture = CultureInfo.GetCultureInfo(currentCulture);
-        if (virtualPathProvider.FileExists(string.Format(@"\modules\tinymce\scripts\langs\{0}.js", customLanguage))) {
-            language = customLanguage;
-        } else if (!language.Equals(culture.TwoLetterISOLanguageName, StringComparison.OrdinalIgnoreCase) &&
-            virtualPathProvider.FileExists(string.Format(@"\modules\tinymce\scripts\langs\{0}.js", culture.TwoLetterISOLanguageName))) {
-            
-            language = culture.TwoLetterISOLanguageName;
+    if (!currentCulture.Equals("en-US", StringComparison.OrdinalIgnoreCase)) {
+        var customLanguage = currentCulture.Replace('-', '_');
+        if (!language.Equals(customLanguage, StringComparison.OrdinalIgnoreCase)) {
+            var culture = CultureInfo.GetCultureInfo(currentCulture);
+            if (virtualPathProvider.TryFileExists(string.Format(@"\modules\tinymce\scripts\langs\{0}.js", customLanguage))) {
+                language = customLanguage;
+            }
+            else if (!language.Equals(culture.TwoLetterISOLanguageName, StringComparison.OrdinalIgnoreCase) &&
+                     virtualPathProvider.TryFileExists(string.Format(@"\modules\tinymce\scripts\langs\{0}.js", culture.TwoLetterISOLanguageName))) {
+
+                language = culture.TwoLetterISOLanguageName;
+            }
         }
     }
 }