diff --git a/firefly_client/firefly_client.py b/firefly_client/firefly_client.py
index 8308261..3806b8a 100644
--- a/firefly_client/firefly_client.py
+++ b/firefly_client/firefly_client.py
@@ -257,8 +257,8 @@ def _lab_env_tab_start(self, tab_type, html_file):
                 # self.render_tree_id = 'slateClient-%s-%s' % (len(self.instances), round(time.time()))
             self.show_lab_tab(html_file)
 
-    def show_lab_tab(self, html_file):
-        """If using a jupyter lab tab- show it or reopen it. If not using a lab tab then noop"""
+    def show_lab_tab(self, html_file=_def_html_file):
+        """If using a jupyter lab tab - show it or reopen it. If not using a lab tab then noop"""
         self.lab_env_tab_type = (LAB and
                                  self.dispatch(ACTION_DICT['StartLabWindow'],
                                                {'fireflyHtmlFile': html_file}))
diff --git a/setup.py b/setup.py
index 89b1cf3..c998dc1 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name='firefly_client',
-    version='3.0.1',
+    version='3.0.2',
     description='Python API for Firefly',
     author='IPAC LSST SUIT',
     license='BSD',