diff --git a/addons/fastwq/gui/options.py b/addons/fastwq/gui/options.py
index f2fda7e..325268a 100644
--- a/addons/fastwq/gui/options.py
+++ b/addons/fastwq/gui/options.py
@@ -29,7 +29,7 @@ from .setting import SettingDialog
 from ..context import config
 from ..lang import _, _sl
 from ..service import service_manager, service_pool
-from ..utils import get_model_byId
+from ..utils import get_model_byId, get_icon
 from ..constants import Endpoint
 
 
@@ -48,6 +48,9 @@ class OptionsDialog(Dialog):
     ]
     _signal = pyqtSignal(str)
 
+    _NULL_ICON = get_icon('null.png')
+    _OK_ICON = get_icon('ok.png')
+
     def __init__(self, parent, title=u'Options', model_id = -1):
         super(OptionsDialog, self).__init__(parent, title)
         self._signal.connect(self._before_build)
@@ -238,8 +241,12 @@ class OptionsDialog(Dialog):
             self.tab_widget.setTabText(k, _('CONFIG_INDEX') % (k+1))
 
     def changedTab(self, i):
-        tab = self.tabs[i]
-        tab.build()
+        # restore
+        for k in range(0, len(self.tabs)):
+            self.tab_widget.setTabIcon(k, self._NULL_ICON)
+        # add flag
+        self.tab_widget.setTabIcon(i, self._OK_ICON)
+        self.tabs[i].build()
 
     def show_models(self):
         '''
diff --git a/addons/fastwq/res/null.png b/addons/fastwq/res/null.png
new file mode 100644
index 0000000..0e06af3
Binary files /dev/null and b/addons/fastwq/res/null.png differ
diff --git a/addons/fastwq/res/ok.png b/addons/fastwq/res/ok.png
new file mode 100644
index 0000000..faa80b8
Binary files /dev/null and b/addons/fastwq/res/ok.png differ
diff --git a/addons21/fastwq/gui/options.py b/addons21/fastwq/gui/options.py
index f2fda7e..325268a 100644
--- a/addons21/fastwq/gui/options.py
+++ b/addons21/fastwq/gui/options.py
@@ -29,7 +29,7 @@ from .setting import SettingDialog
 from ..context import config
 from ..lang import _, _sl
 from ..service import service_manager, service_pool
-from ..utils import get_model_byId
+from ..utils import get_model_byId, get_icon
 from ..constants import Endpoint
 
 
@@ -48,6 +48,9 @@ class OptionsDialog(Dialog):
     ]
     _signal = pyqtSignal(str)
 
+    _NULL_ICON = get_icon('null.png')
+    _OK_ICON = get_icon('ok.png')
+
     def __init__(self, parent, title=u'Options', model_id = -1):
         super(OptionsDialog, self).__init__(parent, title)
         self._signal.connect(self._before_build)
@@ -238,8 +241,12 @@ class OptionsDialog(Dialog):
             self.tab_widget.setTabText(k, _('CONFIG_INDEX') % (k+1))
 
     def changedTab(self, i):
-        tab = self.tabs[i]
-        tab.build()
+        # restore
+        for k in range(0, len(self.tabs)):
+            self.tab_widget.setTabIcon(k, self._NULL_ICON)
+        # add flag
+        self.tab_widget.setTabIcon(i, self._OK_ICON)
+        self.tabs[i].build()
 
     def show_models(self):
         '''
diff --git a/addons21/fastwq/res/null.png b/addons21/fastwq/res/null.png
new file mode 100644
index 0000000..0e06af3
Binary files /dev/null and b/addons21/fastwq/res/null.png differ
diff --git a/addons21/fastwq/res/ok.png b/addons21/fastwq/res/ok.png
new file mode 100644
index 0000000..faa80b8
Binary files /dev/null and b/addons21/fastwq/res/ok.png differ