diff --git a/pythonx/jedi_vim.py b/pythonx/jedi_vim.py
index 6d360f5..adacde3 100644
--- a/pythonx/jedi_vim.py
+++ b/pythonx/jedi_vim.py
@@ -150,8 +150,11 @@ def _check_jedi_availability(show_error=False):
 
 @catch_and_print_exceptions
 def get_script(source=None, column=None):
-    jedi.settings.additional_dynamic_modules = \
-        [b.name for b in vim.buffers if b.name is not None and b.name.endswith('.py')]
+    jedi.settings.additional_dynamic_modules = [
+        b.name for b in vim.buffers if (
+            b.name is not None and
+            b.name.endswith('.py') and
+            b.options['buflisted'])]
     if source is None:
         source = '\n'.join(vim.current.buffer)
     row = vim.current.window.cursor[0]