diff --git a/shared/ipython_config.py b/shared/ipython_config.py
index 75f5001..00f7454 100644
--- a/shared/ipython_config.py
+++ b/shared/ipython_config.py
@@ -1 +1,3 @@
 c.TerminalInteractiveShell.editing_mode = 'vi'
+# Not sure why you need this, but without it stuff goes slow
+c.TerminalInteractiveShell.emacs_bindings_in_vi_insert_mode = False