diff --git a/src/language_gui.py b/src/language_gui.py
index 3b700a6..76c5896 100644
--- a/src/language_gui.py
+++ b/src/language_gui.py
@@ -92,6 +92,7 @@ class childWindow:
 
         self.langChangedFlag = 0
         self.setDefault(defaultLang)
+        self.langChangedtoDefault()
 
         self.langView.get_selection().connect("changed", self.langChanged)
 
@@ -131,6 +132,18 @@ class childWindow:
                 break
             iter = self.langStore.iter_next(iter)
 
+    def langChangedtoDefault(self):
+        rc = self.langView.get_selection().get_selected()
+        if rc:
+            model, iter = rc
+            try:
+                selectedLang =  langBase = self.languageBackend.removeEncoding(self.langStore.get_value(iter, 0))
+                if selectedLang == self.originalLang:
+                   return 1
+            except TypeError:
+                pass
+        return 0
+
     def fillStore(self):
         lines = self.languageBackend.readTable()
 
@@ -173,7 +186,10 @@ class childWindow:
    
     def langChanged(self, *args):
         self.langChangedFlag = 1
-	self.okButton.set_sensitive(True)
+        if self.langChangedtoDefault():
+           self.okButton.set_sensitive(False)
+        else :
+           self.okButton.set_sensitive(True)
 
     def okClicked(self, *args):
         self.apply()