diff --git a/lib/completion.zsh b/lib/completion.zsh
index c7db2eb7b..c932bc925 100644
--- a/lib/completion.zsh
+++ b/lib/completion.zsh
@@ -71,3 +71,6 @@ if [[ $COMPLETION_WAITING_DOTS = true ]]; then
   zle -N expand-or-complete-with-dots
   bindkey "^I" expand-or-complete-with-dots
 fi
+
+# automatically load bash completion functions
+autoload -Uz bashcompinit && bashcompinit