diff --git a/glue_wwt/viewer/tests/test_wwt_widget.py b/glue_wwt/viewer/tests/test_wwt_widget.py
index 77f3afcc..654fa6d6 100644
--- a/glue_wwt/viewer/tests/test_wwt_widget.py
+++ b/glue_wwt/viewer/tests/test_wwt_widget.py
@@ -154,7 +154,7 @@ def test_remove_layer(self):
         assert subset_layer.wwt_layer is None
 
     # @pytest.mark.skipif(sys.platform == 'win32', reason="Test causes issues on Windows")
-    @pytest.mark.xfail(reason="'asynchronous' keyword unsupported by some JavaScript versions")
+    # @pytest.mark.xfail(reason="'asynchronous' keyword unsupported by some JavaScript versions")
     def test_save_tour(self, tmpdir):
 
         filename = tmpdir.join('mytour.wtt').strpath
diff --git a/glue_wwt/viewer/tools.py b/glue_wwt/viewer/tools.py
index c69b6584..7c568b13 100644
--- a/glue_wwt/viewer/tools.py
+++ b/glue_wwt/viewer/tools.py
@@ -83,22 +83,19 @@ def activate(self):
         if not filename.endswith('.wtt'):
             filename = filename + '.wtt'
 
-        self.viewer._wwt.widget.page.runJavaScript("tourxml = '';", asynchronous=False)
-        tourxml = self.viewer._wwt.widget.page.runJavaScript('tourxml;', asynchronous=False)
+        self.viewer._wwt.widget.page.runJavaScript("tourxml = '';")
+        tourxml = self.viewer._wwt.widget.page.runJavaScript('tourxml;')
 
         self.viewer._wwt.widget.page.runJavaScript(SAVE_TOUR_CODE)
 
-        start = time.time()
         tourxml = None
-        while time.time() - start < 10:
-            time.sleep(0.1)
-            app.processEvents()
-            tourxml = self.viewer._wwt.widget.page.runJavaScript('tourxml;', asynchronous=False)
-            if tourxml:
-                break
+        time.sleep(1)
+        app.processEvents()
+        time.sleep(1)
+        tourxml = self.viewer._wwt.widget.page.runJavaScript('tourxml;')
 
         if not tourxml:
-            raise Exception("Failed to save tour")
+            raise ChildProcessError(f"Failed to save tour: {tourxml}")
 
         # Patch the altUnit so that it is correct for the Windows client (since
         # the web client currently has other bugs with relation to loading tours).