diff --git a/CenRa_METABASE/CenRa_Metabase.py b/CenRa_METABASE/CenRa_Metabase.py
index 964e407e..86e2de2b 100644
--- a/CenRa_METABASE/CenRa_Metabase.py
+++ b/CenRa_METABASE/CenRa_Metabase.py
@@ -36,8 +36,6 @@ from .about_form import MetabaseAboutDialog
 
 from PyQt5.QtCore import *
 
-
-
 class PgMetadata:
     def __init__(self):
         """ Constructor. """
diff --git a/CenRa_METABASE/dock.py b/CenRa_METABASE/dock.py
index 80a5be71..d5964e23 100644
--- a/CenRa_METABASE/dock.py
+++ b/CenRa_METABASE/dock.py
@@ -147,7 +147,11 @@ class CenRa_Metabase(QDockWidget, DOCK_CLASS):
         #else:
         self.default_html_content_not_pg_layer()
 
-        iface.layerTreeView().currentLayerChanged.connect(self.layer_changed)
+        try:
+            login_base()
+            iface.layerTreeView().currentLayerChanged.connect(self.layer_changed)
+        except:
+            self.default_html_content_not_pg_layer()
 
         if iface.activeLayer():
             layer=iface.activeLayer()