diff --git a/FlatCAMObj.py b/FlatCAMObj.py
index c1775dad..e6278dc0 100644
--- a/FlatCAMObj.py
+++ b/FlatCAMObj.py
@@ -1006,7 +1006,7 @@ class FlatCAMGerber(FlatCAMObj, Gerber):
                     app_obj.report_usage("gerber_on_iso_button")
                     self.read_form()
 
-                    iso_scope = 'all' if self.ui.iso_scope_radio == 'all' else 'single'
+                    iso_scope = 'all' if self.ui.iso_scope_radio.get_value() == 'all' else 'single'
                     self.isolate_handler(iso_type=self.iso_type, iso_scope=iso_scope)
 
         self.app.worker_task.emit({'fcn': worker_task, 'params': [obj, self.app]})
diff --git a/flatcamGUI/ObjectUI.py b/flatcamGUI/ObjectUI.py
index 23e62676..53b3ee68 100644
--- a/flatcamGUI/ObjectUI.py
+++ b/flatcamGUI/ObjectUI.py
@@ -458,7 +458,7 @@ class GerberObjectUI(ObjectUI):
         # ---------------------------------------------- #
         # --------- Isolation scope -------------------- #
         # ---------------------------------------------- #
-        self.iso_scope_label = QtWidgets.QLabel('%s:' % _('Scope'))
+        self.iso_scope_label = QtWidgets.QLabel('<b>%s:</b>' % _('Scope'))
         self.iso_scope_label.setToolTip(
             _("Isolation scope. Choose what to isolate:\n"
               "- 'All' -> Isolate all the polygons in the object\n"
@@ -473,7 +473,7 @@ class GerberObjectUI(ObjectUI):
         # ---------------------------------------------- #
         # --------- Isolation type  -------------------- #
         # ---------------------------------------------- #
-        self.iso_type_label = QtWidgets.QLabel('%s:' % _('Isolation Type'))
+        self.iso_type_label = QtWidgets.QLabel('<b>%s:</b>' % _('Isolation Type'))
         self.iso_type_label.setToolTip(
             _("Choose how the isolation will be executed:\n"
               "- 'Full' -> complete isolation of polygons\n"